You opt into living  there, and you opt into, you know, living under these rules.

你选择住在那里，你知道，你选择在这些规则下生活。

With more and more people opting into this game, the standard of " being average" increases dramatically.

随着越来越多的人选择加入这个游戏， “平均水平” 的标准急剧上升。

Now, in those countries, you can still opt out of donating, just like how in the US you can opt into donating.

在那些国家里，你仍然可以选择不捐赠，就像在美国你可以选择捐赠一样。

Also, the fact you have to opt into a 401(k) plan means a lot of people just don't.

此外，您必须选择加入 401(k) 计划这一事实意味着很多人不会这样做。

He had not yet opted into the MayFli immortality technology  and, at the moment, did not plan to.

他尚未选择使用 MayFli 永生技术，目前也没有计划这样做。

According to Google, it's taken steps to ensure privacy for users who opt into the new integration feature.

据谷歌称，它已采取措施确保选择新集成功能的用户的隐私。

Samesh, now 154 years old, had not yet opted into  the mortality technology and, at the moment, did not plan to.

现年 154 岁的萨米什尚未选择死亡技术，目前也没有计划这样做。

Cory explains to Jana that, first of all, this Biden repayment thing - again, called SAVE - is something that she would have to opt into.

科里向贾娜解释说，首先，拜登的还款计划——又称为“储蓄”——是她必须选择的。

So if a donor pledged $100 on day one, by default, they would be opted into donating $100 the next week and the next and the next.

因此，如果捐赠者在第一天承诺捐赠 100 美元，默认情况下，他们将选择在下周、下周和下周捐赠 100 美元。