opt in 选择参加
withdraw 退出
cancel membership 取消会员资格
refuse to join 拒绝加入
1. You can opt out of the newsletter at any time.
你可以随时选择不接收该新闻简报。
2. She decided to opt out of the insurance plan.
她决定不参加这项保险计划。
3. Many users prefer to opt out of data sharing.
许多用户更倾向于选择不进行数据共享。
A: Can I opt out of the training session?
A：我可以不参加这次培训吗？
B: Yes, but you should inform your manager first.
B：可以，但你应该先通知你的经理。
1) 拒绝加入或参与某项计划
2) 退出已有的系统或组织
3) 拒绝接受某种预设的服务
1. 选择不参加；退出
e.g. He opted out of the competition.
他退出了比赛。
phrasal verb
1. To choose not to participate in something or to withdraw from a system, plan, or organization.
Synonym: withdraw, decline, exit