on condition that是不是=if?如果是为什么不直接用if 为什么还要用on condition that 麻不麻烦?

on condition that 从句是不是得用虚拟语气 on condition that的用法 on condition that是不是=if?如果是为什么不直接用if 为什么还要用on condition that 麻不麻烦? on condition that 有如果的意思? on condition =in order that吗? providing (that),provided (that)和on condition (that)的用法 条件是 on condition that ,on the condition that这两个那个是对的 on condition that与provided that的区别?详细点, You may borrow the book,______you don’t lend it to anyone else.A on condition that B on condition C on no condition D the condition on condition that / under the condition 只要… 求例句,求原创,求给力.谢谢 请问:on condition that是何意?有什么用法? on condition that 和 as long as 有什么区别 if not和on condition (that) 是 连词短语吗 on condition that与on the condition that?他俩有什么区别?还是两个一样,the可以省略? on condition什么意思? On condition that film is seen once ,it can never be forgotten.改为同意句：On condition that ___once ,the film can never be forgotten. 请问这句话是定语从句么?In the end,my father won the argument on the condition that I limited my traveling to France.请问这句话是定语从句么?修饰condition,是不是这个that可以去掉?另外多问一句啊,如果把这里的l in case,on condition that,suppose等后面怎么接虚拟语气?