Teacher: Walter, why don't you wash your face? I can see what you had for breakfast this morning.
Walter: What was it?
Teacher: Eggs.
Walter: Wrong, teacher. That was yesterday.
教师：沃尔特，你为什么不洗脸？我看得出你今天早饭吃了什么。
沃尔特：我吃了什么？
教师：鸡蛋。
沃尔特：错了，老师。那是昨天吃的。