可可英语每日一句口语：

Smileand stop complaining about the things you can't change. Time keeps ticking whether you're happy or sad.保持微笑，停止抱怨那些改变不了的事。无论你开心与否，时间总是不等人的。

【知识点讲解】

complain about 抱怨，发牢骚

例句：We shouldn't complain about being poor many families are much worse off (than we are).我们不应该因为穷而叫苦连天--许多人的家境(比起我们来)还要糟得多呢。