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Every Bill which shall have passed the House of Representatives and the Senate, shall, before it become a Law, be presented to the President of the United States; ……

請問，shall have passed是什么意思，怎么翻譯？ 它與shall pass 有什么區別？

謝謝。

你這句話摘自《美國憲法》的原句。譯為漢語是：

經眾議院和參議院通過的法案，在正式成為法律之前，須呈送美國總統。

為了更好理解，我把語序調整一下：

Every Bill which shall have passed the House of Representatives and the Senate shall be presented to the President of the United States before it become a Law.

關于shall的用法：

shall作為情態動詞，通常指按照規則或法律規定，意為“必須，一定，將要”： You use shall to indicate that something must happen, usually because of a rule or law. You use shall not to indicate that something must not happen. 

就是說，shall 既表示將來，也表示按法律規定去做。

本句的意思是指：先兩院通過，再呈交總統，屬于先后關系，所以動作在先的用了shall have done。