seven-tenths rule

例句：

1. 1. The company's decision to cut back on expenses is based on the seven-tenths rule.
   该公司决定削减开支是基于七分之一规则。
2. 2.This law applies only to situations where the seven-tenths rule applies.
   这项法律仅适用于七分之一规则适用的情况。
3. 3.The manager explained that the company followed the seven-tenths rule when making its investment decisions.
   经理解释说，公司在做出投资决策时遵循了七分之一规则。