学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and

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学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and
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学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and
学术报告里must 和have to的不同用法
To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and the changed product data must be checked in again.Finally we must publish these updated data to TCNG.
这里3个都是must,该不该改成have to.
是不是必须得该？

学术报告里must 和have to的不同用法To update product data,at first we must open the A-Project containing the product data we want to change.Then we should select the product data and check them out.After we can change these product data and
不该,也不用改．
第二个可以改,因为有”不得不”的意思．（不改也行．）
一,三都不改,因为没有这层意思．而是我们要这么做．
要长时间的积累,不然你就要仔细体会,哪些是主动做的,哪些是不得不做的．
今天的答案可以告诉你,但当场用的就没人帮你了．
慢慢来吧．

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