最早使用者：诺亚。
之后Blackwell准备在其拥有的60家书店的网络中推出这一服务，而它的牛津旗舰店将同其它小的校园书店一样成为最早的使用者。
It then hopes to roll it out across its 60-store network, with its flagship Oxford branch likely to be an early recipient as well as a host of smaller, campus-based shops.
专家表示，青少年们是移动互联网使用者中最狂热，最早熟的成员，他们一直都在像成年人一样做决定。
Adolescents are among the most voracious and precocious users of new mobile Internet services, constantly making grown-up decisions with grown-up consequences, experts say.
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