They say that you do not need to be extremely intelligent to understand something.
VOA: special.2010.06.27
Look, when somebody's asleep, we need to do something to, in effect, wake them up, something to turn the functioning back on.
当某人熟睡时,我们需要做些什么才能叫醒他们,做些什么才能恢复他们的功能。
because you've already done it or you don't need to do something because you've already done it before.
因为你之前已经做过,或者你觉得因为之前做过就没有必要再做了。
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