求翻译：网络游戏有利也有弊，如果适当玩网络游戏可以放松心情，缓解压力；然而长时间沉迷网络游戏对其身心不利，还会导致学习成绩下降，上课分心。是什么意思？

There are advantages and disadvantages of online games, play online games if appropriate can relax, relieve stress; addicted to online games of its time, however, the adverse physical and mental, can lead to poor academic performance, class distraction.

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The network game advantageous also has the shortcoming, if plays the network game to be possible suitably to relax the mood, alleviation pressure; However the long time sinks confuses the network game to be disadvantageous to its body and mind, but also can cause the academic record to drop, attends

Online games advantages and disadvantages, if appropriate to play network games can relax, relieve stress, but obsessed with online games for a long time on the physical and mental adverse, will lead to a decline in academic performance, distracted in class.