根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，牧师靠卖精神安慰为生。
in the light of 表示的意义是 根据。。。
2、 Though it may be possible tomeasure the valueof material goods in terms of money,it is extremely difficult to estimate the true value of theservices whichpeople perform for us.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。
service与perform的搭配使用
3、 He has deliberately chosen to lead the life he leads and is fully aware of the consequences.
4、 By having to sleep in the open,he gets far closer to the world of nature than most of usever do.
他是是经过考虑后特意选择了他所过的生活，并完全清楚以这种方式生活的后果。
5、 We often speak of tramps withcontempt and put them in the same class as beggars,buthow many of us can honestly say that we have not felt a little envious oftheir simple way of lifeand their freedom from care?
说起流浪汉，我们常常带有轻蔑并把他们与乞丐归为一类。但是，我们中有多少人能够坦率地说我们对流浪汉的简朴生活与无忧无虑的境况不感到有些羡慕呢?
put … in thesame class as：归为一类
