I'm not sure my answers are correct -- but I'm really not sure that Krugman's assertions/assumptions are correct.

我不能肯定我的回答是对的——但我确实不能肯定Krugman的断言和假设是正确的。

youdao

It was a cinch. I finished it quickly and I know that all my answers are correct.

小事一桩。我很快做完了试卷，而且知道我的答案都是正确的。

youdao

I certify that I have read and understood all the questions set forth in this application and the answers I have furnished on this form are true and correct to the best of my knowledge and belief.

我特此确认﹐本申请表中所有问题本人均已通读领会﹐且本人在申请表上所做之回答就本人所知均属实无误。

youdao

My prediction is that, over 90% of voters would get none or at best one of these answers correct.

FORBES: Looking For Revenue In All The Wrong Places