为什么however many student use computer to play game OR to watch video inside of studying中用OR ...

问题描述:

为什么however many student use computer to play game OR to watch video inside of studying中用OR ...
为什么however many student use computer to play game OR to watch video inside of studying中用OR 不用AND

然而许多学生用电脑玩游戏或者看视频来代替学习.
玩游戏和看视频录像不是同时的.用or,或者的意思.
and表示同时进行.边玩游戏边看电影.