As we know , smiling is very important in our life . Smiling is here and there. For instance, if you pass the exam, you will be happy, then you will smile to your friends. But when you are unhappy, your friends will tell you to smile at life.
At school, if you smile to others, then they will be friendly to you. Then they will make friends with you. Smiling is important in our study, too. If you always keep a smile, you will have a good mood, and you will make progress in your study.
In short, smiling stands for friendship. It’s good for your health and it will bring you happiness. So we should learn to smile .