法律咨询的费用与其效益需要权衡一下。

The cost of obtaining legal advice needs to be balanced against its benefits.

《牛津词典》

你得权衡一下住在城市的好处与坏处。

You have to balance the advantages of living in the city against the disadvantages.

youdao

你应当权衡一下后果再做这个决定。

You should weigh up the consequences before making this decision.

youdao

Down here, I've just got two things to merge, and then I've got things of size two to merge and then things of size four to merge. But notice a trade off. I have n operations if you like down there of size one.

但是n的大小是不同的，是吗？在这里我们只要合并两个元素,然后是合并长度为2的列表,接下来是合并长度为4的列表,但是观察一下之间的权衡关系。

麻省理工公开课 - 计算机科学及编程导论课程节选