An English teacher from Beijing noticed that many students lost themselves in their phones.

来自北京的一名英语老师注意到，许多学生都沉迷于手机。

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The students lost several days of sight-seeing.

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Three of them were found guilty of carrying out shoddy restoration work in 2000 to the building, in which eight students lost their lives.

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Some of his fellow students lost family members that day.

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"This could mean some courses of immense value to certain students are lost, " he said.

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