subject to易受 ... 影响的；屈服于 ... 的；让步于 ...；取决于subjectn.话题；科目；主题；题材；主观；[语]主语n.实验对象；(君主国)国民adj.易患的；服从的vt.使服从；使隶属；使遭遇subject and identity主体与身份subjection functions隶属函数subjectless sentence无主(语)句subject for ridicule奚落的对象subject bibliography主题书目subjects and content题材内容subject of the crime主体subject construction学科建设subject/the other主体／他者subject organization学科组织

1. Subject directories are built by humans.
   主题目录是由人建立的。