1·This gives the person a choice, allowing him to verbally opt in.
这给了这个人一个选择，允许他口头上选择加入。
2·Haslam has said colleges would be free to opt in or out of the out souring plan, which has not been finalized.
哈斯拉姆表示，关于这个尚未最终确定的外包计划，各大学可以自由选择参加或不参加。
3·Did every person on the list really and truly opt in?
名单上的人都确实真正的需要这封邮件么？
4·And if you want to opt in, you may save a whole lot of money.
如果你选择加入，你可能能省下一大笔钱。
5·In countries like Germany and the U. S., you have to check a box if you want to opt in.
在德国、美国等国家，你要在一个方框内打对勾来选择加入。
6·The Epocrates survey is conducted by surveying physician customers who "opt in" to participate in market research.
Epocrates研究是通过调查“选择加入”市场研究的医师顾客来进行的。
7·For example, we may share geographic location with application providers when you opt in to their location services.
比如比如，当用户选择使用苹果的位置服务的时候，苹果有可能会和应用提供者分享用户地理信息。
8·So, old users will keep sharing their music and only new members will be asked to opt in to these new privacy-sharing features.
所以老用户将继续分享他们的音乐，只有新用户才会被要求应用新的分享隐私设置。
9·To opt in developers need to agree to the new sales agreement paperwork and check a single box to get their apps into the discount game.
若要这么做，开发者需要统一性的销售合约，勾选单选框，将他们的应用程序参与到这个折扣项目中。
10·This must be a service that customers opt in to - and only after they are provided full information about the fees and the penalties they will incur.
该服务必须由客户选择加入，并且只能在向他们提供了充分的费用以及将承担的罚款信息之后。