subsidiary
adj
1~ (to sth) connected to but smaller, of less importance,etc than sth else; subordinate 附屬的; 從屬的; 次要的
a subsidiary stream flowing into the main river 流入大河的支流
The question of finance is subsidiary to the question of whether the project will be approved. 財務問題是這一項目是否獲準的附帶問題.
2 (of a business company) controlled by another (指業務機構)附屬的, 附設的. subsidiary, n subsidiary thing, esp a business company 附屬事物; (尤指)附屬公司.