The producer and the consumer are distinct roles with different knowledge.

生产者和消费者是具有不同知识的不同角色。

youdao

Unless explicitly designed into the message content schema or topic space, a consumer has no knowledge of where a message originated.

消费者不会知道消息是从何处产生的，除非明确地将该消息设计到消息内容计划或着主题空间中。

youdao

Information equals knowledge about the consumer, and knowledge is everything.

信息等于了解消费知识，而知识就是一切。

youdao

He says providers will release information without the consumer's knowledge.

VOA: standard.2010.06.22

The second requirement is the ability to take that very fine knowledge of the consumer and determine what media they use.

FORBES: Advertising Means Nothing If You Don't Have Predictability

Drive consumer knowledge throughout the organization at all times.

FORBES: Core Principles for the Career Marketer

"We're pulling up the safety net behind us, and we don't have a new safety net in case something goes wrong, " said Harold Feld, legal director for consumer group Public Knowledge.

WSJ: Outages Expose Wireless Carriers' Backup Plans