before one can say Jack knife是什么意思 before one can say Jack knife怎么读
before one can say Jack knife的用法和样例
- They cannot readily agree to it.
他们不能对此马上作出应诺。 - I can't say offhand exactly how much.
我不能立即告诉您多少钱。 - Two of these can be taken off the list immediately.
其中两个能立即从名单上去掉。
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