研究将进一步强化我们一些时间——青少年重型用户的短信服务。
The study further solidifies what we've known for some time - teens are heavy-duty users of text messaging services.
举例说，有些广告在无清晰提示下，就注册用户订阅了昂贵的短信服务。
Without being clear, some ads, for instance, signed up players for subscriptions to costly text-messaging services.
由于较低收入的原因，亚洲人早在美国人之前就在手机上引入短信服务。 由于大部分用户已经很好地习惯于“读”他们的手机。
With lower incomes, Asians adopted inexpensive text messaging earlier than most U.S. cellular users, so many are already accustomed to reading on their phones more than talking.
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