到那时，你为他付出的时间和金钱可能就白白地浪费了。

Then you would spend time and money on him in vain.

youdao

与Gregory T .卢西尔生命科技行政长官表示，他相信这项技术为他付出了这么高昂的代价不会被超越。

Gregory T. Lucier, chief executive of Life Technologies, said he was confident the technology for which he paid so dearly would not be overtaken.

youdao

后来，我们爱上另一个人。这个时候，我们才发现自己从前并不是很爱那个人。我们并没有怎么为他付出过。他离开是应该的。

Afterwards, we fall for another one. we find that we actually don't love the one before as much as what we thought. we hardly paid out for him. he was supposed to leave.

youdao