An Essential Correction

　　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. That was yesterday.

　　老师：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?

　　老师：鸡蛋。

　　沃尔特：错了，老师。那是昨天吃的。