收集《命定日》名人名言是成功的秘诀引领我们
Sometimes the questions are complicated and the answers are simple.
有时候问题很复杂，但答案却很简单。
The thing about happiness is that you only know you had it when it's gone.
关于幸福，你只有在失去它的时候才知道你曾经拥有过。