monnaie d'échange

1. 1

   coin of the realm (something that is valued like money within a particular context)

   servir de monnaie d'échange

2. 2

   bargaining chip (something or someone used as a leverage in negotiations)

真题出处来自 FreeTCF 题库，做题要在 FreeTCF 登录；这里只列出这个词出现的句子。