opt in
英 [ɒpt ɪn]
美 [ɑːpt ɪn]
选择加入
柯林斯词典
- PHRASAL VERB 决定参加；决定加入
If you canopt in tosomething, 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...
他提议只有那些有意愿而且有能力的国家才应参与第三阶段。 - He didn't exactly opt out because he never opted in.
确切地说他并没有退出，因为他压根儿就没有参加。
- He proposed that only those countries which were willing and able should opt in to phase three...