原文链接 : https://www.elastic.co/guide/en/elasticsearch/reference/current/search-request-explain.html
译文链接 : http://www.apache.wiki/pages/editpage.action?pageId=4883106
贡献者 : ping
启用每次匹配对其评分计算方式的说明。
GET /_search{"explain": true,"query" : {"term" : { "user" : "kimchy" }}}
