该搜索引擎同其他引擎有着根本区别，因为它尝试对数学和科学问题提供直接答案。

The engine is truly different from other engines as it tries to provide direct answers to math and science problems.

youdao

数据库分片提供许多优势，比如对数据库的更快读写、改进的搜索响应、更小的表格尺寸以及对表格的按需分配。

Database sharding provides many advantages, such as faster reads and writes to the database, improved search response, smaller table sizes, and distribution of tables based on need.

youdao

事实上，对数以千计的、包含请求搜索的关键字的文档进行排序，以便将与用户最相关的文档列在最上方，这并不是一件容易的任务。

Indeed, taking the thousands of documents that contain the requested keywords and ordering them so the most relevant for the user are at the top is no easy task.

youdao

All right? It's now something that I can search in constant time. And that's what's going to allow me to keep this thing as being log.

在固定的时间内搜索,这样就可以让时间复杂度保持在对数级,好的，考虑过了这些。

麻省理工公开课 - 计算机科学及编程导论课程节选