collaborationn.
英 kəlæbə'reɪʃn | 美 kə,læbə'reʃən
中文n. 合作；勾结；通敌
词根词源
collaboration (n.)1860, from French collaboration, noun of action from Latin collaborare (see collaborate). In a bad sense, "tratorious cooperation with an occupying enemy," it is recorded from 1940; earliest references are to the Vichy Government of France.
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