Maybe the second most valuable is a web search engine, maybe the third most valuable is an online shopping product recommendation system.

也许第二有价值的系统 是网络搜索引擎，第三有价值的系统是 网购商品推荐系统。

The earliest web search engine that operated like the ones we use today, was JumpStation, created by Jonathon Fletcher in 1993 at the University of Stirling.

JumpStation 是最早的网络搜索引擎，其运行方式与我们今天使用的搜索引擎类似，由乔纳森·弗莱彻 (Jonathon Fletcher) 于 1993 年在斯特林大学创建。