True friendship is like sound health,whose value of it is se

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/12 01:31:12

True friendship is like sound health,whose value of it is seldom known until
能不能将until替换成unless?

不可以.
not.until：直到…才
表达的意思是"直至某时才做某事".动词为延续性或非延续性都可以.
E.G.Don”t get off the bus until it has stopped.
unless是除非、除.外的意思.
until有时间上的延续性,unless表示的是条件上的变动.两者使用的境况不同,要根据右面的分句来确定使用哪个.
要看比较学术全面的解说,请参看：

True friendship is like sound health,whose value of it is se True friendship is like sound health.The value of it is seld 32.True friendship is like sound health,whose value is seldo True friendship is like sound health ,the vaiue of it is sel it is generally believed that true friendship is like health True friendship is like sound health.,______（其价值）is seldom k 英语翻译True friendship is like sound health.you make me happy.y True friendship is like sound heaith ,thevalue of is seldm k 女朋友给我空间留言 ture love is like good health . whose value is sel 英语翻译True friendship is like medicine.Though it tastes bad,it 英语翻译诚信(Good faith)It is true that most of us value honesty h True friendship is Yongming injuries..