在进行第一次注册时，您可以只要求用户提供注册名、密码和电子邮件地址。
Perhaps for initial registration you could just require name, password, and E-mail address.
用户需对自己的注册名和密码安全自行负责；
Users should take full responsibilities for the security of their own user names and passwords;
用户需对自己的注册名和密码安全自行负责；
Users should take full responsibilities for the security of their own user names and passwords;
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