Let's say that on December 20 you were to meet a friendly space alien. That is, let's say that his space ship discreetly drops him off in your back yard while you are looking out your window. You walk outside to meet the visitor, and you find out he's a pretty nice guy. His name is Gorg, he is wearing a costume that makes him look passably human, he speaks reasonable English, and he explains that his goal is to spend a week on the planet to learn about its people. He asks if you would consider being his guide for the week, and you decide to take on the job.
So you take Gorg around and start showing him your town. Since it is December 20, one thing is for sure -- Gorg is going to ask about Christmas. And he is going to ask a LOT of questions, because Christmas is a pretty complicated tradition. Think about all the different questions Gorg might ask:
让我们说，在本月20日，你被满足的友好空间外侨。这就是，让我们说，他的一艘宇宙飞船，慎重滴他一马，在你的后院，而你是看你的窗口。你走外，以满足游客的，你看看他是一个漂亮的好人。他的名字就是gorg ，他是穿着服饰，使他看起来passably人，他讲合理的英语，他解释说，他的目标是花一个星期就行星，了解它的人。他问：如果你会考虑他的指导，以一周计，而你决定采取对这份工作。
因此，你采取gorg左右，并开始显示出他身边的城市和城镇。由于这是12月20日，一件事是肯定的-g org去询问有关圣诞节。他要问的很多问题，因为圣诞节是一个相当复杂的传统。想想所有不同的问题gorg可能会问：
参考资料：http://www.wwenglish.com/en/z/xmas/