要快乐就要像要减肥一样. 它的意思是要达到快乐也是需要努力的. You always need to make an effort, even if you reach the point of saying. 做什麼事都是要付出努力的, 就算你已经达到那一点,也仍然(不能松懈). you still need to keep focusing and working on the things that made you happy. 你仍然需要保持专注, 和继续努力在所有的事情上面, 这样才能让你快乐~
