in the 1980s,in the 1980's和in 1980s的区别
问题描述：
in the 1980s,in the 1980's和in 1980s的区别
答
in the 1980s 和in the 1980's（一般用它）在二十世纪八十年代算是个独立短语了,固定搭配
in 1980s 也是在二十世纪八十年代做不及物动词后名词