仅采用甲醇所能实现的最简单的发动机改进措施的车辆，仍将有助于立即减少城市空气污染。

Vehicles incorporating only the simplest of the engine improvements that methanol makes feasible would still contribute to an immediate lessening of urban air pollution.

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不是所有的书都适合变成简单的有声书，在目标设定和动机上，有声书能很好的实现边走边听。

Not all books are good for easy listening. Audio books on goal setting and motivation lend themselves well to listening while walking.

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让公司履行移动数据政策的动机很简单：这能建立起信任。

The incentive for a company to have a portability policy is simple: It builds trust.

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Now, the marriage case is extreme but Freud gives a lot of simpler examples where this sort of unconscious motivation might play a role.

婚姻是一个极端的例子,但弗洛伊德还举了很多简单点的例子,来阐释无意识动机是如何发挥作用的。

耶鲁公开课 - 心理学导论课程节选

Four notes, something as simple as that, same rhythmic idea, so that's the use of a motive there and that's how these movements are tied together a little bit.

四个音符,就这么简单,同样的节奏,所以这就是动机的运用,这就是乐章间的微妙联系所在

耶鲁公开课 - 聆听音乐课程节选