Many people do not know the value of time. It is indeed a great pity. We must bear in mind that wasting time is equal to wasting your life.

• 许多人不知爱惜时光。这确实是可惜的。我们必须记住浪费时间等于浪费生命。同学们，珍惜时间吧，它像流水一样，一去不复返。