我们总是过分地沉溺于悲伤的情绪却对让人愉悦的乐事一笑而过。正如随着教授重复讲同一个笑话的次数越来越多,学生由捧腹大笑到心生厌恶。教授说:“你们不能因为同一个笑话欢笑不止,但为什么总是因为同一个理由悲伤哭泣呢?”确实如此,我们常常因为同一件事情而难过,因为同一个理由而悲伤。对于让人悲伤的事,我们往往只要一想到,便会 We are always too addicted to sad emotions but laugh at the pleasant music. Just as professors repeat the same joke more and more, students are abhorrent from heart to heart. Professor said: “You can not laugh more than one joke, but why always cry for sadness because of the same reason?” Indeed, we often sad because of the same thing, because of the same reason sad. We often think of things that cause grief