"The groundwork has been done and it's best to see what evolves now," said the 1996 world champion.

“我们的准备工作已经完成，如果能签订合同就太棒了，”这位1996年F1世界冠军表示。

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Every study that has ever been done, and this one included, shows that it's absolutely unbelievably difficult, 'she said.

“已有的每一个研究，包括这个，都表明减肥无疑是难以置信的困难，”她说。

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"The problem with tax hikes with Social Security is that's what's always been done, and it hasn't gotten the job done, " Fleischer said.

CNN: Bush won't raise Social Security payroll limit

And what I've concluded, when I was looking at this -- because I got the same kind of advice, which was, it's controversial, you'll run into all of this buzz saw, and I said, been there, done that.

CNN: Transcript of Thursday's Democratic presidential debate