1 not/no...and 意為“不能既……又……”,是部分否定,即兩者只能有其一。
You can not drink and drive. 喝了酒就不能開車。
She can not sing and dance. 她不能既唱歌又跳舞。
2 not/no...or 意為“既不……也不……”,是全部否定,即兩者都不能。
He has no home or friends. 他沒有家,也沒有朋友。
She cannot swim or play football. 她不會游泳,也不會踢足球 。
She can neither swim nor play football.
She can not swim,nor can She play football.