After that we had a good night's sleep.为什么不是After

问题补充：

After that we had a good nights sleep.为什么不是After that we had a good night sleep.

答案：

睡了一个好觉,在中文的翻译中是省略“的”的,但是在英文中却不能省略,这是语法上的区别.你可以说 a good sleep,但是却不能说a good night sleep,因为这个句子里面night 是名词,所以应该说a good night's sleep