I still doubt whether the practical value of this project really exists.

我仍然怀疑这个项目是否有实际价值。

youdao

While this can occur, I doubt it is the usual reaction.

虽然这有可能发生，但我很怀疑它是常态反应。

youdao

From there he wonders, I can doubt my senses, but can I doubt that I am sitting in this room?

他从那里开始想，我可以怀疑我的感官，但我能怀疑我坐在这个房间里吗？

youdao

"Do not doubt my power. I am ready to make this cheek as perfect as its pair."

VOA: special.2009.09.26

I just want to make mention of this in case there's ever doubt, generally parentheses do solve your problem as an arithmetic but do realize this is some lower level details we'll come back to over time.

是想告诉大家如果你对某些式子的前后运算关系不确定，就加上括号,这都是一些小细节,我们以后还是会再提到的。

哈佛公开课 - 计算机科学课程节选

So the best response for Player 1, as a function of what Player 2 chooses, q2, is just equal to the q1 hat in this expression and if I solve that out carefully, I will no doubt make a mistake, but let's try it.

这个就是参与人1的最佳对策,它是参与人2策略q2的一个函数,它和之前的q1帽那个表达式是相等的,虽然我是很仔细地计算的,还是有可能算错的,我来验证一下

耶鲁公开课 - 博弈论课程节选

Advertising appears to give coherence to this but I doubt it does in reality.

FORBES: Who Has The Winning Innovation Model, Google, Apple, or Samsung?

In the absence of a new community of interest like this, I doubt Apple will innovative so powerfully as it did with the iPhone.

FORBES: Move up http://i.forbesimg.com t Move down

Now, it is possible that this scenario could leave us with rising wages on average but nonetheless persistently high unemployment, but at this point I doubt that would happen.

FORBES: Stiglitz on Inequality and Monetary Policy