There is a famous fallacy in philosophy books. 1 worker builds a

Well, good luck with you if you can get it done in 2 days with 2 workers.

所有跟帖： 

• 早上好，波老师。one worker builds a well? 我去查查看，学习一下是什么意思。：） -3apples- ♀ (0 bytes) () 05/11/2015 postreply 05:49:00

• 查不到，波老师，是不是说两个工人一起做一个shower，也要4天？ -3apples- ♀ (0 bytes) () 05/11/2015 postreply 05:52:06