单词 | opt in |
释义 | opt in phrasal verb See full dictionary entry for opt If you can opt in to something, you are able to choose to be part of an agreement or system. He proposed that only those countries which were willing and able should opt in to phase three. [VERB PARTICLE + to] He didn't exactly opt out because he never opted in. [VERB PARTICLE] |
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英语词典包含147115条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。