Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.
有一个人从天堂来到人间旅游,他所使用的是有效三十天的减价票,他试图要把他的回程票卖掉。
计算机网络中最重要的东西是协议。
The basis of a democratic state is liberty.