When you learn your lessons in school, you must work hard and not give up.

当你在学校学习时，你必须努力学习，不要放弃。

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It will insist on the fact that agriculture will not be confronted with unknown situations and that solutions do exist; that we must work with climate change, not against it.

文件将坚持这一事实：农业不会面临未知的情景，确实存在解决办法，而我们必须面对气候变化进行工作，而不是极力扭转它。

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Therefore, the notification mechanism must work not only within one JVM, but also across multiple JVMs.

因此，通知机制的工作范围不能只限于一个JVM，必须跨多个JVM。

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We must accept that our development model cannot be formulaic, that which works in Pakistan may not work in Peru.

VOA: standard.2010.01.06

The patriarchal stories are clearly not the work of the Deuteronomist, and these stories must have had very longstanding traditional authority if they were adopted without serious modification by the Deuteronomist redactor some modification, but not serious.

那些宗法故事显然不是预言师的作品，这些故事必然经过了传统权威的检验,如果他们是未经更改直接引用的话,由那些预言编写者,这里有一些改动，但不是太多。

耶鲁公开课 - 旧约导论课程节选

It must not be easy to write your own work.

你自己创作一定很难。

写作课程比较难 - SpeakingMax英语口语达人

The journal's move highlights a new status quo for drugmakers: Medicines must not only work, they must be worth the money.

FORBES: Magazine Article

Further, we must not only work with these European and Asian countries, but also encourage them to work with each other.

CENTERFORSECURITYPOLICY: Resurgence in need of restraint

To succeed, the High Panel agreed, UNESCO must work not only for young people, but with them.

UNESCO: Irina Bokova leads the 3rd High Panel on Peace and Dialogue among Cultures | United Nations Educational, Scientific and Cultural Organization