定义:领域 、 商业渠道 、 协议.

Definition of territories, channels of trade, agreements.

第三种模式取决于伙伴关系。民营公司提供取阅数字书籍的商业渠道，公共实体则提供作为研究之用的免费渠道。

The third model hinges on partnerships in which private companies offer commercial access to digital books while public entities provide free access for research.

我们需要提供网络连接、电力、教育、工作的权利、资金和商业渠道。

We need to provide opportunities to connectivity, electricity, education, the right to work, access to capital and banking.

这么看来，5至20美元的信用额正是对熟悉新的商业渠道或搜索引擎所耗时间的合理补偿。

Seen in this light, a credit of $ 5 to $ 20 may be fair compensation for the time lost in switching to a new merchant portal or search engine.