More than a third of people on Facebook have their cellphone up there and that's something that's useful for the application.

事实上，超过三成的Facebook用户,都公布了自己的手机号,所以这个应用程序对于我们来说,十分重要。

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It can be very stressful especially because we don't get cell phone reception down there.

这可以使人很紧张，尤其是因为在地铁站我们的手机没信号。

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