English Original
Teacher: What are the four elements of nature?
Student: Fire, air, earth, and... and ...
Teacher: And what? Just think it over. What do you wash your hands with?
Student: Soap!
中文翻译
老师:自然界的四大元素是什么?
学生:火、气、土,还有……还有……
老师:还有什么?想一想,你用什么洗手的?
学生:肥皂!