pre-condition
柯林斯詞典
1. N-COUNT If one thing is a precondition for another, it must happen or be done before the second thing can happen or exist. 先決條件[正式]
They have demanded the release of three prisoners as a precondition for any negotiation. 他們要求釋放3名囚犯作爲(wèi)談判的先決條件。
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