If his argument had been ever valid, which I doubt, it would be certainly not so now.

如果他的论点以前是正确的话，这一点我表示怀疑，那么现在就肯定不正确了。

youdao

Even if Wall Street can make another $12 billion the next 6 months– which I doubt– it will still be a year of $24 billion– down 60% from the $54 billion profits racked up in 2010.

即使华尔街能够在接下来的六个月里再盈利120亿美元（对此我表示怀疑），全年也只有240亿美元，比2010年高达540亿美元的盈利减少了60%。

youdao

"It sure looks like the way they are suppressing speech, the way they are suppressing crowds, they way in which people are being treated that there is some real doubt about I do not think we are in a position to say,".

VOA: standard.2009.06.14

We tracked his progress if you could call it that, which I doubt here at Forbes Leadership.

FORBES: Leadership Highlights of the Week

Instead, fans will have to either purchase a 5-game ticket package or shop the secondary market (which I doubt will be any cheaper).

FORBES: Jaguars Find Way To Profit On Tebow Without Drafting Him

If Bitcoin ever could establish itself as a legitimate payment scheme, which I doubt, it's hard to tell what the appropriate exchange rates should be with respect to other currencies.

CNN: Don't get bitten by Bitcoins