A: We have two days off, Mr. Brown. Do you have anything special in mind that you'd like to see?
我们有两天的休息时间，布朗先生，您要去参观什么非常特别的景点吗？
B: How about visiting the Great Wall? I heard the Great Wall is one of the Eight Wonders of the world.
参观长城怎么样？我听说长城是世界八大奇观之一。
A: That's a good idea.
好主意。
A: What's the length of the Great Wall?
长城究竟有多长？
B: The Great Wall meanders from east to west for about 6,000 kilometers for 12000 li.
长城从东到西蜿蜒约6000公里，也就是12000里。
