Smile at others and you are sure to get a smile in

Smile at others and you are sure to get a smile in Smile at someone and you are sure to get a smile in return 急 Smile at sonmeone and you are sure to get a smile in return mile at someone and you are sure to get a smile in veturn. 一份英语演讲稿“smile and you will get a smile in return" You smile are smile… 求翻译：A smile can get you far,but a smile and a gun can get yo A smile ( )amessage that you are friendly and e look at world,and try to smile Smile can not persuade others to regard that you are the hap smile every time,and your life will get,happy a little at a smile at 还是to