会员在线注册，自动检查用户名的唯一性。

The member registers online, check the uniqueness of the user name automatically.

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提前在线注册，以免排队，并搜索目标公司的相关资料

Preregister online to avoid the lines, and research the companies you want to approach.

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NASA会从在线注册者中随机抽取100人。

NASA will randomly select 100 individuals from a pool of online registrants.

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For the first time, the philosophy department has just switched over to the online discussion section registration system.

哲学部门，第一次被替换,成为在线讨论注册系统。

耶鲁公开课 - 死亡课程节选