However, traditional Search Engine adopts full-text retrieval technique based on keyword match, and it results in having no all-sided retrieval result and more outlying information.

然而由于传统的搜索引擎基本上都是采用基于关键词匹配的全文检索技术，导致检索结果不全、无关信息过多。

youdao

However, traditional Search Engine adopts full-text retrieval technique based on keyword match, and it results in having no all-sided retrieval result and more outlying information.

然而由于传统的搜索引擎基本上都是采用基于关键词匹配的全文检索技术，导致检索结果不全、无关信息过多。

youdao