英语翻译在的各位谁英语好帮个忙呀高中英语必修三（北师大版）翻译一下U7L1第三段的第一句话

You'd better copy it to ZhiDao in detail,cause somebody who want to help you maybe neither your teacher nor your classmate.They don't know what exactly the problem is.
Copy that?have fun!:=)