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The Chinese film industry began in the early twentieth century. Chinese urban emotional film has become more and more popular with the Chinese people in recent years, so urban working youth emotional film also appears more and more often on the screen. An urban emotional film takes the city as a theme, takes urban life as a backdrop, takes urban family, friendship and love as the main clue for plot development, and takes the artistic expression of emotions as the main point of note. The combination of cinema and music is an independent cultural product generated by the film industry. Music plays a leading role in the film, especially in order to emphasize the theme and convey the inner connection of the characters. Je combination of cinematography and music is an essential element in the development of cinema. Chinese people love Chinese urban emotional movies, and most of them depend on processing good songs from movies. Therefore, a good movie and a good episode of the movie, in the audience's understanding and expectation, are equally important things. Successful Chinese urban emotional films often have more than one popular song that can be passed on to the general public as their cinematic song, and the song's value orientation is determined by the connotation of the text. Therefore, the creation of song lyrics can be described as the pursuit of excellence, which should not be underestimated.

The song dynasty (960-1279) in Chinese history is divided into two stages: the Northern and southern song, and includes a total of eighteen emperors who reigned for a total of three hundred and nineteen years. The song dynasty attached great importance to literature and despised force. The song dynasty era is an era of prosperity for China's commodity economy, culture, education, science. The song dynasty's "Ci" genre is a kind of musical literature. The full name of the genre is "song dynasty Ci", abbreviated as "Ci". The song dynasty Ci are an integral treasure of Chinese culture and are cultural symbols of the era that cannot be ignored.

ABSTRACTThis paper examines educational inequality in nine Latin American countries at the sub-country level from the 1950s to the 1990s. Educational inequality is measured by the difference in schooling years between the taller and the shorter half of the female population. Schooling years significantly increased across birth cohorts, especially before the 1980s, regardless of socio-economic stratum, region or country. However, educational inequality persisted. This finding reflects the achievement of the import substitution industrialisation era in educational development and its failure in mitigating the unequal distribution of education rooted in Latin America's social structure. Trade liberalisation and educational expansion are found to reduce educational inequality in capital and urban regions, whereas democracy and tax reform increased it. By contrast, educational inequality in rural regions was hardly influenced by policy changes. This finding urges future explorations into whether the persistence of educational inequality in rural regions is due to endemic social structure.

Xian Liu,1,* Lei Wang,1,* Xiaohang Zuo,2,* Chen Li,3 Yue Teng3 1Department of Reproductive Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China; 2Department of Endocrinology, Xijing Hospital, Fourth Military Medical University, Xi'an, People's Republic of China; 3Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, People's Republic of China*These authors contributed equally to this workCorrespondence: Yue Teng Email navimoon@126.comBackground: Polycystic ovary syndrome (PCOS) is quite common among women of reproductive age and can cause infertility and adverse pregnancy outcomes. Current studies on PCOS mainly focus on the effect of PCOS on pregnancy. So far, it remains unelucidated whether a history of infertility or early pregnancy loss (EPL) has differential effects on obstetric outcomes for PCOS women.Methods: This is a retrospective case control study. Ninety-two Chinese PCOS patients with a history of EPL or infertility were recruited in our study. A total of 112 Chinese non-PCOS patients with a history of EPL or infertility were taken as control group. Measurements included anthropometric data, serum total testosterone, fasting and two-hour plasma glucose levels, and antral follicle count. After they got pregnant (naturally or via assisted reproductive technology), all obstetric outcomes were observed and analyzed.Results: PCOS women with a history of EPL showed a much higher cesarean section (CS) rate than PCOS women with primary infertility. PCOS women with a history of EPL showed a much higher possibility of GDM (gestational diabetes mellitus) compared with PCOS women with primary infertility. PCOS women with a history of EPL showed a much higher possibility of GDM compared with non-PCOS women with a history of EPL. PCOS women with a history of EPL showed increased possibility of GDM as their BMI increased. When BMI is above 28, the incidence of GDM is significantly higher in PCOS women with a history of EPL compared with that in PCOS women with infertility.Conclusion: Both a history of EPL and obesity are risk factors for GDM for PCOS women, and higher BMI indicates a higher possibility of GDM among PCOS women with a history of EPL. Timely intervention is in need for PCOS women with EPL and a higher BMI.Keywords: polycystic ovarian syndrome, early pregnancy loss, infertility, obstetric complication, gestational diabetes mellitus