The answer is--this goes way back-- it's an old tradition and they used to have to do this by hand.

答案要追溯到很久之前,这是个古老的传统,他们过去用手工计算

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I've been needing your help for quite sometime.

其实我很久之前就想请你帮忙了。

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I used to deliver, a long time ago,

很久之前，我载过一位，

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