Finding a cure requires considerable time and effort.

找到一种治愈方法需要相当的时间和努力。

《柯林斯英汉双解大词典》

It can take time and effort to match buyers and sellers.

匹配买主和卖主可能需要花费一些时间和精力。

《柯林斯英汉双解大词典》

This study represents a major expenditure of time and effort.

这项研究意味着要耗费大量的时间和精力。

《牛津词典》

It took a great deal of time and effort to gather fibers from plants or animals to make into yarn which could then be made into cloth.

VOA: special.2009.11.04

spent a lot of time and effort kind of figuring out what is it that people will want to buy next week.

他花费了很多的时间和精力来研究,人们想要在下个星期买进什么。

耶鲁公开课 - 金融市场课程节选

Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

It's a kind of magic ingredient that builds flavor even as it saves time and effort.

WSJ: Kelp Wanted

Yet, despite their dedication, the pay they receive is not commensurate with their time and effort.

FORBES: Is it time to earn more?

And they waste a lot of time and effort adapting to and complying with ever-changing rules.

FORBES: IRS: Don't Hurry To File Your 2010 Taxes