1."Doing the prudent thing about deficits now would be an extremely foolish thing, " observes Paul Krugman, a Nobel-winning economist.
正如诺贝尔经济学奖得主保罗•克鲁格曼（PaulKrugman）评论的“畏惧当前赤字而谨言慎行是非常愚蠢的事情。”
2.That was the only prudent thing to do, and Duhon couldn't see herself doing many more such deals.
这是唯一能采取的谨慎防范措施了，杜洪是不会再做这种交易了。
3.The prudent thing is to do our best to estimate the hazard, and prepare accordingly.
谨慎的做法是尽力评估危险级别，并有根据地预防。