assure 与ensure 在用法和意思上有什么意思?

问题描述:

assure 与ensure 在用法和意思上有什么意思?
请举例子:词组和句子

assureKK:[]DJ:[]vt.1.向...保证,担保[(+of)][O5]I can assure you of the reliability of the information.我向你保证这消息可靠.ensureKK:[]DJ:[]vt.1.保证;担保[O9][+that][+v-ing]I can't ensure his being on t...