doubt是什么意思？

Moreover, students should be prepared not just for their first job, but for their 4th and 5th jobs, as there's little reason to doubt that people entering the workforce today will be called upon to play many different roles over the course of their careers.

They doubt their own popularity.

Will parents be damaging children if they have one fewer organized activity? No, I really doubt it.

Yet there are doubts whether people watching television, a lean back medium, crave interaction.

They have doubt about current green certification.

Some authoritative analysts doubt that the secretary would get better deals than private insurers already get.

Contrary to analysts' doubts, the author believes drug prices may be lowered through negotiation.

There is no doubt that spaceflight entails risks, and to pioneer a new mode of travel is to face those risks, and to reduce them with the benefit of hard-won experience.

Many first-generation college-goers have doubts about their abilities to get a college degree.

Most notoriously,Oprah's validation of jenny McCarthy's claim that vaccines cause autism(自闭症)has no doubt contributed to much harm through the foolish avoidance of vaccines.

President Obama will no doubt make the point publicly when he gets to Beijing: the Chinese need to consume more; they need-believe it or not-to become more like Americans, for the sake of the global economy.

Personal technology is indeed more engaging than ever, and there's no doubt companies are engineering their products and services to be more compelling and attractive.

There's little doubt that nearly everyone who comes in contact with the Net has difficulty disconnecting.