每个已注册用户都有一个他/她的个人定制化页面，但是新注册的用户却要花费不少时间弄明白该怎么登入。
Every registered user has his/her own personalized page, however new registered users will need a while to find out how they can log in.
已注册用户需要在下单之前登入方可使用这些特点。
Since groups operate for registered users full use of these features requires users to log in before placing their order.
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