It is a waste of time to play computer games day and night.

日日夜夜沉迷于电脑游戏那可是浪费时间啊！

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Most parents and teachers think it is a bad thing to play computer games. They think it is a waste of time and money.

大多数家长和老师认为玩电脑游戏是件坏事，他们觉得这是时间和金钱的浪费。

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First, it is the time killer. No matter whether students or college students, they would like to spend many hours play games, chatting online. They waste lots of time.

第一，电脑是最大的时间杀手，无论是中学生还是大学生都回耗费数小时在电脑上，他们花费这些时间玩游戏、聊天，虚度了很多光阴。

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