Smile is a way of communication. It’s even (11) than language in communication with others, especially with people who come from different countries. Maybe you have a language barrier(障碍)in understanding each other, but a genuine smile will make you (12) , even become friends. Smile is also a way to (13) pressure. When you feel nervous while taking a test, please smile and you’ll feel less nervous and more confident. When you (14) trouble, which is quite troublesome to solve, please smile and you’ll get a good way to help you out. When you find life boring or when trouble in your life seems endless, please smile and you’ll feel life (15) and meaningful.