hold the balance造句

1、As one basic subject, mathematics hold the balance of physical training school.
数学作为一门基础学科，在体育学校教育中起着举足轻重的作用。

2、How do you hold the balance between raises and outstanding achievement?
你们怎么把握加薪与业绩之间的平衡？

3、The scale and structure of loan hold the balance for a commercial bank running.
贷款的规模和结构对商业银行的经营成败举足轻重。