先生,请问您需要几个?
你需要多少豌豆?
你需要几个座位?
How many times do you need to fold the piece of paper so that you can reach the moon.
需要折纸多少次,才能碰到月亮。
Now before I do that, I don't need the people at home to see this, but how many of you were here last time? How many of you were not.
在家看视频的人不必关心这个,上节课你们多少人来了,多少没来
How many parameters of difference do you need?
你们需要知道多少种?
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