(random thoughts from one sentence)
The internet changed the picture of trade because buyers can now find sellers who are willing to sell things, and especially information, at a much lower price, often free, than what they were able to find without internet.
互联网改变了贸易的格局，因为购买者现在可以找到愿意以很低价，甚至免费，去提供货品的人，尤其是信息，这是没有网络时找不到的。
