In order that people may be happy in their work, these things are needed: they must be fit for it; they must not do much of it; and they must have a sense of success in it. 为了使人们在工作的时感到快乐,必须做到以下三点; 他们一定要胜任自己的工作, 他们不可做得太多; 他们必须对自己的工作有成就感。