The Fourth Element
第四元素
Teacher: What are the four element of nature?
老师:自然界的四大元素是什么?
Student: Fire, air, earth, and... and ...
学生:火、气、和。。。和。。。
Teacher: And what? Just think it over, what do you wash your hands with?
老师:和什么?想一想, 你用什么洗手的?
Student: Soap!
学生:肥皂。