为啦节食，他们不得不吃沙拉。

To diet, they had to eat salads.

youdao

自己能感触感染到母亲是为啦教育自己才这么做。

I can feel the mother is in order to education did I do so.

youdao

为啦马丁地膏火，他妈妈不得不尽力工作，所以就经常不在家。

To do this, she had to work hard, and so she was not often at home with him.

youdao

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选