爱情是灯，友情是影子。

Love is light and friendship is shadow.When the light breaks,you'd find you are surrounded by shadow.Friends,who will give you strength in the end. 
爱情是灯，友情是影子，当灯灭了，你会发现你的周围都是影子。朋友，是在黑暗时候给你力量的人。