The topic whether high school students should be allowed to bring mobile phone to school has caused controversy.

是否应该允许中学生带手机上学的话题引发了争论。

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Can I bring my smart phone to school?

我可以把我的智能手机带到学校吗？

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We talked about our school days on the phone, then he started talking about his mother.

我们在电话里谈论我们的学生时代，然后他开始谈论他的母亲。

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After countless trips back to the school and even more phone calls I eventually got that bill wiped.

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But, police say, there was no activity on Kopetsky's cell phone after she walked out of school, indicating that the battery went dead or was removed from the phone.

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"They are also involved and engaged with their mobile phones very strongly, " added Takahashi, noting that 96 percent of high school students own a cell phone in Japan.

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