中文字幕理论片,69视频免费在线观看,亚洲成人app,国产1级毛片,刘涛最大尺度戏视频,欧美亚洲美女视频,2021韩国美女仙女屋vip视频

Answer：

I think there are two reasons people throw garbage on the street. Firstly, they are too lazy to find a trash can for their garbage. Secondly, they lack respect and manners, and don't care about their environment.

譯：

我認為人們在街上扔垃圾有兩個原因。首先，他們太懶了，以致于找不到垃圾桶來裝他們的垃圾。其次，他們?nèi)狈ψ鹬睾投Y貌，不關心環(huán)境。

拓展詞匯：