With a fast network and a smartphone, anyone who has passed the identity (身份) check can be an online teacher, and anyone with an online account can buy "pay for knowledge" products that he or she wants at an affordable price.

通过高速网络和智能手机，任何人通过身份核验后都可以成为一名线上教师，并且任何拥有线上账户的人都可以以实惠的价格购买自己需要的“知识付费”产品。

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The general denies all knowledge of the affair, but he has promised to punish any of his men who are guilty.

巴什布将军声称对该事件一无所知，但他承诺会严惩军中任何涉案有罪者。

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The editor at the time was Andy Coulson, who has denied knowledge of illegal practices while he was at the helm of News of the World.

当时的主编是安迪·科尔森，他否认在他掌管世界新闻时了解这些非法行为。

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Obama is smart enough to admit that he doesn't know everything and does have weaknesses, and he selected someone who has great knowledge in those areas.

CNN: iReporter reactions to Biden are mixed bag

Deputy KRISTINE JONES (Cook County Eviction Unit): What you have happen a lot of times with homes is - even with apartment buildings - is the mortgage holder, the owner of the actual property, is the only person who's notified, because he's the only person that the bank has knowledge of.

NPR: Illinois Renters Given Time To React To Foreclosures

"To the best of our knowledge, he has not even been informed that his parents have retained lawyers who are working on his behalf, " Harris said.

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