guarantee与promise作为保证的区别
assure / promise / guarantee 的区别
assurance 与guarantee的区别
guarantee promise 最主要区别在哪
warranty和guarantee作为商务词汇的区别
guarantee的用法?和promise一样吗
ensure和guarantee都有保证的意思,它们的用法上的区别是什么?
swear与promise的区别与用法
warranty 和guarantee的区别
guarantee和warrant的区别?
SWEAR 与PROMISE区别!
英语中: I promise / I guarantee 请问两者有何区别和意义?
achieve one's promise与keep one's promise的区别