longyuan

Growth and change are the law of all life. Yesterday's answers are inadequate for today's problems ----just as the solutions of today will not fill the needs of tomorrow. (Franklin Roosevelt, Averican president)
增长和改变是生命的规律，昨天的答案已不适用于今年的问题，就像今天解决问题的方法不能满足明天的需要