本讲为2006年下半年新的教学内容，请对照教材、练习册和语法书听录音！   Unit 13   难句分析       1.       He cannot be really happy if he is compelled by society to do what he does not enjoy doing, or if what he enjoys doing is ignored by society as of no value or importance.   2.       In a society where slavery in the strict sense has been abolished, the sign that what a man does is of social value is that he is paid money to do it, but a laborer today can rightly be called a wage slave.   3.       A man is a laborer if the job (society offers him) is of no interest to himself but he is compelled to take it by the necessity of earning a living and supporting his family.   4.       Whether a job is to be classified as labor or work depends, not on the job itself, but on the tastes of the individual (who undertakes it).   5.       He is therefore more likely to take too little leisure than too much;   so that it is natural for him to imagine that the fewer hours he has to spend laboring, and the more hours he is free to play, the better.