Life is like a piano: white keys are happy moments and black keys are sad moments. But remember both keys are played together to give sweet music。生活就像一架钢琴：白键是快乐，黑键是悲伤。但是，要记住只有黑白键的合奏才能弹出美妙的音乐。

想找一个一对一家教

天津大学生一对一家教