Happy is the man who is living by
问题描述:
Happy is the man who is living by
Happy is the man who is living by his hobby
答
快乐就是他以自己的爱好谋生,或者说快乐就是做着自己喜欢的事情,并以此谋生
ps:很多人的爱好只是爱好,而他的爱好也是他的工作,所以此乃人生高兴,幸福之事(纯属个人理解)