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be based on 和.be based upon

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be based on 和.be based upon
be based on 和.be based upon
on和upon在很多情况下可以通用.只有在日期的时候用on,在once upon a time（从前）,用upon.
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be based on 和.be based upon 请教based on 与 be based upon 用法区别 用be based upon造句 be based on be base on和based on base on 和be based on base on/be based on be based on & base on be based be based on的翻译 be based on 的用法 英语翻译用be based on