有些没有听力的人用他们的手来给别人传递信息。

Some people who cannot hear use their hands to communicate messages to others.

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然而，有些没有这么快表现出来，可能没有那么容易辨别。

However, some are not so quick to present themselves, and that can make them more difficult to identify.

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然后他们观看其他人做简单动作的视频，有些是他们已经做过的，有些没有。

Then they watched videos of someone else doing simple actions some of which they had already performed, and some of which they had not.

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Somebody might be sort of a disorganized librarian and might want to put this one upside down but over here.

有些人可能是一个没有条理的图书管理员,想要把这个颠倒过来,放在这边。

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I think that maybe some people don't think carefully enough about how expensive it is

我觉得有些人没有考虑清楚学费到底有多贵，

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Even if these people didn't stay in the second room, they didn't stay dead, they had some experience of being dead.

即使这些人没在第二个房间待过,他们没有保持死亡状态,但是他们多少有些死亡的体验

耶鲁公开课 - 死亡课程节选