例句: You want to know how many people work for our agency? Off the cuff, I'd say about two thousand. But I'll have to look up the exact number and get back to you later.

　　这个政府官员对提问的记者说：你想知道我们这个机构有多少工作人员？ 我的印象好像是两千人。但是，我得去查一下确凿的数字，然后再告诉你。

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　　下面我们再来举一个例子。这是一个人正在考虑买一栋房子。他正在跟他的房地产经纪商讨论借款和利率问题，计算每月要付多少钱。这位房地产经纪商说：

　　例句: If you want to borrow 80% of the total amount, with the interest rate at 7.5%, off the cuff, you probably will have to pay a little over fifteen hundred dollars a month. But I've got to do a detailed calculation before I can give you an exact number.

　　这个经纪商说：要是你想借总数的百分之八十，利率是百分之七点五，你大概每月要付一千五百美元。不过我得仔细算了以后才能告诉你确凿的数字。