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1·Everyone, at one time or another, has found some surprise awaiting him.

每个人，曾经都发现有一些惊喜在等着他。

2·But at one time or another.

但总有那么些时候。

3·We all get sick at one time or another.

我们总有生病的时候。

4·We've probably all seen it at one time or another.

我们可能都曾看到过这样的守则。

5·Everyone is plagued by negative thoughts at one time or another.

每个人都会有一次也许更多被消极想法折磨的经历。

6·At one time or another, we've all had a friend who brings us down.

在一个或其他时期，我们都曾有过把我们带下水的朋友。

7·At one time or another, many of NASA's laboratories have studied solar sails.

某一段时间里，美国宇航局的许多实验室都在研究太阳帆。

8·Again, at one time or another, you may have found that all such animals hear.

此外，你可能曾经发现所有的这些动物都在听。

9·Almost every part of the country has received snowfall at one time or another.

几乎每一个国家的一部分已经接到了另一次或降雪。

10·We have exported to all significant importing countries at one time or another.

我们已经在不同时期向所有重要的进口国提供出口产品。