A teacher is like Summer, Whose sunny temperament Makes studying a pleasure, Preventing discontent.

老师就象夏天，用那阳光般的情绪让学习变成一种乐趣，同时让不快从此消失。

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The ban has the secondary aim of preventing Palestinian discontent from spinning dangerously out of control.

ECONOMIST: Please, says Arafat, not that again