因为先要输入用户名、密码才能打开智能手机或电脑，然后再键入不同的密码打开邮箱。

First comes the user name and password needed to boot up your smartphone or computer. Next, a different password to access your E-mail.

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电脑会把针对不同网站的多个用户名及密码存储起来，指纹扫描装置校验了用户的身份后，电脑马上自动把用户名、密码填进去。

Multiple user names and passwords for different websites are stored by the computer, which fills them in automatically once the user's identity has been verified with a finger-scan.

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一旦用你的苹果账户登录该网站(用户名和密码和iTunes商店的一样)，苹果就会显示他们所知道的所有电脑。

Log into the site using your Apple ID (the same username and password you use in the iTunes stores), and Apple will display all of the computers they already know about.

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