题目：The magic of smiles
Smiles are common in our life and we can see people's smiles everyday.Smiles are also considered as the most universally understood body language.The most important benefit of smiles is that we can get a lot of friends and get along well with others.A smile can help us find friends in a world of strangers.People will be closer to those who often smile.A smile can open doors and tear down walls between people.(77字)