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智能手机已经成为我们日常生活中必不可少的一部分。
Smart phones have become an essential part of our daily lives.
youdao
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手机已经成为我们生活的一部分，更新很快。
Cellphone has been part of our life, it gets updated very fast.
youdao
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手机已经成为我们生活的一部分，更新很快。
Cellphone has been part of our life, it gets updated very fast.
youdao