The search engine application might return result documents so that the field that the user searched upon always appears first.
搜索引擎应用程序可以返回结果文档，因此用户搜索的字段总是最先出现。
2
This build engine is delivered as part of field service to assist clients with this process.
这种构建引擎以域服务的一部分的形式传输，用以帮助客户。
3
This could present a challenge to website owners and those in the search engine optimization field, who tailor websites to attract more traffic from specific queries.