He could work hard and study hard.

他还可以一边努力干活，一边努力学习。

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You could work for the R&D divisions of large chemical companies like DuPont or BASF.

你可以去杜邦或巴斯夫这样大型化工企业的研发部门工作。

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You could work on local natural resource management projects for eight weeks this summer.

这个暑假，你可以在当地的自然资源管理项目中工作八周。

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Many business owners agreed to follow codes or rules such as limiting the number of hours people could work.

VOA: special.2011.03.24

This all sounds very general but there are some striking demonstrations of this and how it could work in everyday life.

听起来很泛泛而谈,但这种现象非常显著,影响我们日常生活的方方面面。

耶鲁公开课 - 心理学导论课程节选

Or perhaps, you could set a goal to lose weight and you could work very hard.

又或者，你制定了一个减肥的目标，你为此而努力坚持着。

I'm frustrated 课堂 - SpeakingMax英语口语达人

But thus far arm-twisting and secret diplomacy have had such limited success that perhaps such ultimatums could work.

ECONOMIST: Israel's intransigence

Cantor said the bill was evidence that a divided Congress could work together on other issues.

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It was several decades before scientists thought of designing systems that could work anywhere.

ECONOMIST: Inside story: Hot rocks and high hopes | The