病灶【英】

the root cause

译文来源

http://www.china.org.cn/chinese/catl/en/2015-11/19/content_37107284.htm

例句

1. 找准了病灶，就要对症下药。——《创新增长路径 共享发展成果——习近平在二十国集团领导人第十次峰会第一阶段会议上关于世界经济形势的发言》

1. Like a person who falls ill, running a fever may just be the symptoms, the root cause, however, lies with problems in the body system.—Quoted from Innovative Growth That Benefits All—Remarks on the World Economy at Session I of the 10th G20 Summit