The main reason is to let my family be happy because even though society is constantly improving, generally people still favor male children.
最主要的原因是为了让我的亲人们高兴。因为尽管社会在不断进步，但一般的人还是喜欢男孩。
Modern society requires improving sewage treatment sludge output leads to a large increase makes the disposal management constantly challenged.
现代社会要求不断增进污水的处理导致污泥产量大量增加使得其处置管理不断地受到挑战。
应用推荐