Business-to-Consumer什么意思?

Business-to-Consumer什么意思? business to consumer怎么读,什么意思 什么是Business-to-business-to-consumer cause potential injury to consumer什么意思 consumer electronics什么意思? pro-consumer什么意思 请问几个英语问题,consumer segment 和business executives什么意思啊 还有个是 Consumer and business confidence give a example of business to consumer and business to busin consumer business manager是什么意思?谢谢 business什么意思 for business 什么意思