语境:The$600 has been in the bank since the day it was paid to me．It is now $6,000,and I have kept it for you．Will you let me share it with you?” “No,”said Paul,gently．“Each thousand is a lost life in a desert between us
所以这里意思是:每一个一千元对我们都是没有用的,...
这里的a lost life in a desert
在沙漠里迷失的人会怎样?只有死路一条..绝路.
这里的意思就是:没有用的,不管紧要的..