runaway rate的用法和样例：
例句
- The rate of pay was built into her contract.
工资率已写进了她的合同。 - But his workers were outwitting him by keeping an eye on each other, making sure nobody picked too quickly, and thus collectively slowing down and cranking up the piece rate.
但工人们智胜一筹，他们相互盯着，以免有人摘得太快，这样大家整体速度慢了下来，也就推高了工资率。
词汇搭配
- run away 逃跑
