一场持续的干旱使定量供水的引进成为必需。

A prolonged drought had necessitated the introduction of water rationing.

《柯林斯英汉双解大词典》

所执行的代码只需创建一个新的文档以及所有必需的字段，使它成为一个功能完整的日志文档。

The code that gets executed only has to create a new document with all the necessary fields to make it a full-fledged journal document.

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公开数据使国家能够制定应对极端事件所必需的对策，这必须成为每个国家的政策和计划的核心。

Open data enables countries to develop the kinds of counter measures needed to deal with extreme events and which must be at the core of every country's policy and planning.

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You might think, given all this, and given the ultimate plot of On the Road, that being on the road is about pursuing that kind of desire, and that it is necessitated by leaving home: you have to leave home in order to pursue that desire.

你们可能觉得，所有这些，以及《在路上》的最终情节，关于在路上就是追寻这种渴望，这就使离家成为必需：,你必须得离开家才能追求那渴望。

耶鲁公开课 - 1945年后的美国小说课程节选