Liberals within the Democratic Party have been fighting for a public option, saying that it is the only way to spur private insurance companies to keep costs down and offer affordable plans to consumers.

VOA: standard.2009.10.26

So already, just from Firm 2's production the price has been driven all the way down to costs.

这样公司2的产量会,导致价格下降直到成本价格

耶鲁公开课 - 博弈论课程节选

The idea is that competition among plans will drive down costs.

VOA: special.2010.03.26

"It's quieter,it has less vibration, its inherently less complex which drives down costs, and it's easier to operate."

VOA: standard.2010.08.11

A major point of difference between the two main parties is whether the government should offer a health insurance program to compete with private insurance companies in an effort to drive down health care costs.

VOA: standard.2009.09.04