教材供应工作是保证教学活动正常开展的重要保障。

The object of teaching books provided is an important object for ensure the activity of teaching.

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诚信是一切经济活动正常进行的基础，电子商务也不例外。

Credit is the basis that all economic activities operate peacefully. So is E-business.

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另一个重要的事情想的就是'如何处置现有的人力为活动正常。

Another important thing to think about is' how to dispose available manpower for the activity properly.

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Because it was in the 1950's or so, maybe the late 1940's, that people started to discover lithium, even though it had no natural function, it did do something in our bodies.

因为在二十世纪五十年代左右，可能是四十年代末期，人们开始发现锂，尽管不参与人体的正常生理活动，但是它确实会对我们的身体产生影响。

麻省理工公开课 - 化学原理课程节选

Or more carefully, it's way about talking about certain things the body can do when it's functioning properly, when it's well tuned, as we might put it.

或者更谨慎地说是谈论,身体在机能正常的时候,可以进行的一些活动，我们也可以说在音调调好的时候。

耶鲁公开课 - 死亡课程节选

I had an opportunity in the late 80s and early 90s, working with a small foundation in New York, to begin cultural activities in Vietnam before normalization of relations between the US and Vietnam.

我在八十年代末九十年代初曾经有幸，在纽约的一个小型基金会工作，和越南开展一些文化活动,那时美国和越南还未实现外交关系正常化。

普林斯顿公开课 - 人性课程节选