用手机对我们来说很方便，因为我们可以随时随地跟别人沟通联系。
It's convenient for us to use cellphones. Because we can Sue them to communicate with others whenever and wherever we like.
用手机对我们来说很方便，因为我们可以随时随地跟别人沟通联系。
It's convenient for us to use cellphones. Because we can Sue them to communicate with others whenever and wherever we like.
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