But different search engine has different database, different search interface and different rules for searching.

但是不同的搜索引擎具有不同的数据库、查询界面和查询法则。

youdao

But different search engine has different database, different search interface and different rules for searching.

但是不同的搜索引擎具有不同的数据库、查询界面和查询法则。

youdao