俚语yellow dog contract的意思解释和用法例句

yellow dog contract

用作名词的意思：（美国俚语）(劳资间签订的)劳方不加入工会的合约

用法及例句：
Before being hired, the emptoyee had to sign a yellow dog contract, so and then he coutd never be a member of the union.在被雇用前，雇员必须签署一份不加入工会的合约，所以后来他就决不可能成为工会会员了。

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