Since we have already got everything ready for the party,_____the party will be a success.

问题描述:

Since we have already got everything ready for the party,_____the party will be a success.
there is no doubt that
我选的是:it's no doubt that
这两个区别是什么?为什么选第一个而不选第二个呢?

there is no doubt that 是固定句型