We normally think of teaching as a synchronic process, you and I are in the same place and in the same time while we are learning, when in fact at least right now we are not.

我们通常设想教学是限于一时的过程，你我在同一地点,同一时间学习，但事实上至少现在就不是这样。

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And that's right where we are setting the tent up right now.

地点就在我们现在搭建帐篷的地方。

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You obviously know where and you know when, because you're here.

很显然你们知道时间地点，因为你们现在就在这儿。

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All right, so suppose this is the time and place.

好吧，那么假设现在是那个时间和地点。

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