中国的问题就是男人太多
[zhōng guó de wèn tí jiù shì nán rén tài duō]
Translates directly into 'The problem in China is having too many men', possibly alluding to the sex-ratio imbalance due to China’s one-child policy and cultural son-preference historically. However, note it’s a simplistic view which does not fully encapsulate the complexity of demographic issues