When the door of happiness closes, another opens but often times we look so long at the closed door that we don’t see the one which has been opened for us.当幸福的一扇门关闭时，另一扇门便会敞开，但是我们通常都凝视着那扇紧闭的门太久了，以至于没注意到另一扇门的开启。
