People always say that smile is the most beautiful person card.I strongly agree with them.Smile likes the sunshine that can bring warmthto people and make people happy.When you are happy, you will smile subconsciously, because a good mood brings smile to your face.But, you also should smile when you are upset, because smile might bring you confidence, courage so that cheer yourself up.

　　人们常说，微笑是一个人最美丽的名片。我很同意他们的看法。微笑就像是阳光给人们带来温暖，让人们快乐。当你开心的时候，你会潜意识的微笑，因为好心情会使你脸上绽放笑容。但是，你烦恼的时候你也应该微笑，因为微笑能给你带来自信和勇气，从而使你的心情好起来。