When you have a songbook as powerful as Dylan's, why not use it.

当你的歌集像迪伦的那样强大，为什么不用它。

《柯林斯英汉双解大词典》

When you have two adversaries negotiating, you need to be on neutral territory.

在你让敌对双方谈判时，你应该采取中间立场。

《柯林斯英汉双解大词典》

You'll understand when you have a kid.

等有了孩子你就会明白了。

youdao

There was nothing I could do. When you have this kind of a problem, you can only take care of your body.

VOA: special.2010.08.09

And when you have an optimal substructure and the local solutions overlap, that's when you can bring dynamic programming to bear.

当你得到一个最优子结构,但局部解决方案有重跌时，你就可以引入动态编程,来解决这个问题了。

麻省理工公开课 - 计算机科学及编程导论课程节选

You have to have a good public transportation system when you have as many people here as we do.

如果你那儿和我们这儿的人一样多，你们得有一个良好的公共交通系统。

纽约的交通手段 - SpeakingMax英语口语达人

But who needs a flush toilet when you have wild open yak pastures and alpine meadows?

BBC: Give me a home where the snow leopards roam

You said when you have kissed him, it's ooh, ooh, what a little moonlight can do.

NPR: 'With Billie': A Jazz Great, As Others Saw Her

When you have one party that has lots of stations, it can try niches or more experimental programming.

FORBES: Free the Airwaves