But the notion of the Web as the ultimate marketplace for digital delivery is now in doubt.

但是，互联网作为最终的数字传输版的营销市场的观念现在还是令人怀疑。

youdao

The (CF) system is without a doubt the lifeblood of the social web.

协同过滤(CF)系统毫无疑问是社会化网络的生命线。

youdao

No doubt, e-mail would have continued to flourish without the web: it was one of the internet’s earliest applications.

作为互联网最早的应用程序之一，电子邮件在没有万维网的情况下也依然会蓬勃发展。

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Don't doubt the power of Web tools.

FORBES: The Forbes 400

While Yahoo maintained its position as one of the top three web brands, an earlier study cast doubt over its ability to retain the position over coming years.

BBC: Yahoo email

Goldstein of Loyalty Lab says customers will no doubt demand having their Web purchases count toward their rewards as they come to see a store as one entity across both channels.

FORBES: Loyalty Programs Lose Points With Shoppers