当一道快乐之门关上了，另一道门会随之打开

当一道快乐之门关上了，另一道门会随之打开。但是，我们常常眷恋着那道关上了的门，而看不见另一道门已经打开了。When one door of happiness closes, another opens but often we look so long at the closed door that we don’t see the one which has been opened for us.