No matter how large the difficulties and frustration, no matter how much is lost and sadness, you just need to Insist smile, keep calm , hard work,and use a smile to create your confidence . You will be more stronger and nothing can stop you until you will have the last laugh.
     That's the power of smiles.
     Someone said that life is like a mirror, if you smile upon it, I smiles back upon you,but if you frown and look doubtful on it, you will get a similar look in return.Like the beauty of the language,smile is also powerful .Sang Lan is one of the Chinese gymnasts.When she faced the accidental injury she also kept smile and did't give up.So she won the people's respect and praise.See that,smile can make your life better.It makes the frustration people lost confidence and courage to live,and this is the power of smiles.
     Let us learn to smile, it gives us the progress of power!