You sign up for a free account and fill out your profile. Then, you look for people you know. When you find someone, you click a button that says, "Add as Friend".

注册一个免费账号，填写个人资料，搜索你认识的人，看到熟人就就“添加为好友”。

youdao

When Catherine joined Facebook, some of her classmates at high school started to add her as a friend.

当凯瑟琳使用脸书时，她的一些高中同学开始加她为好友。

youdao

Anyone can add you as a CID friend, and you can add anyone as a friend from their CID.

每个玩家都可以加你为CID好友，而你也可以通过任何人的CID来加为好友。

youdao

As one of Digital Planet's regular contributors, I hope some of them will add me as a friend on one of the social sites.

BBC: NEWS | Technology | Social net offers new perspective

Two in five children have had an anonymous person try to add them as a friend on a social site.

FORBES: 9 Tips for Managing Your Child's Social Media Presence

Content in the feed about individuals and pages will show a little slice of their timeline, including their cover photo and a button to add them as a friend or to like the page.

CNN: Facebook revamps site, tweaks mobile apps