1、意思的区别:
remain有剩下的意思。keep没有剩下的意思。
2、用法的区别:
keep doing sth 保持做。
keep from doing sth 阻止什么做什么,而remain没有此用法。
remain和keep短语:
keep a record 保持记录
keep in touch (with) 保持与……的联系
keep out (of) 把……关在外面
keep up (保持;使……不能入睡
keep one's / an eye on 照管,密切注视
keep away (from) 离开;不接近;戒除
keep in mind 牢记
keep one's word 遵守诺言