为什么没有before night?after night?

为什么没有before night?after night? I can not sleep night before…为什么没有at? 什么是after the midnight the night before? Night After Night 歌词 night after night的歌词 The Morning After (The Night Before) (Digitally Remastered 0 J is before K and N is after.a:You'night b:Than's all night. the night before 请问 这里的before是什么词性为什么放在night 后边 the night before last, the night before 与 last night the night before 与last night区别 night