英语翻译有回答就有收获,文段：One day as a teacher is walking into the clas

英语翻译
有回答就有收获,
文段：
One day as a teacher is walking into the classroom,he hears a low voice,Here is the teacher.I'm sure the unfair fellow is going to talk about putting in commas. It is Billy's voice.He is talking with the boy next to him.The teacher isn't angry.He says nothing about it,but begins to talk about putting in commas.And then he writes a sentence on the blackboard,Billy says the teacher is an unfair fellow. The class laughs and Billy's face turns red.Now, says the teacher,I'll show you how important commas are. He puts two commas into the sentence and then reads,Billy,says the teacher,is an unfair fellow.
诚邀英语高手翻译,帮助人乃是做人品德.此乃初一短文,小妹英语中等,能力有限,无法翻译此文.Can you help me?

一天,当老师走进教室的时候,他听到了一个很小声音：“老师来了,我敢肯定这个不公平的家伙将要给我们讲解逗号的用法”.那是Billy的声音,他是在和他旁边的男孩说话.老师当时没有生气,也没有说什么,直接开始讲解逗号的用法.然后他在黑板上写了一句话：“Billy说老师是个不公平的家伙.”同学们都笑了,Billy的脸也红了.“现在”,老师说道,“我将告诉你们逗号有多么的重要”.说着,他为这句话加上了两个逗号,然后念道：“Billy,老师说,是一个不公平的家伙”.