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, sir. that was yesterday.
实质性得纠正
教师：沃尔特，你为什么不洗脸？我都可以看得出你今天早上吃了什么了。
沃尔特：我吃了什么？
教师：鸡蛋。
沃尔特：错了，老师。那是昨天吃得。
