Under such a plan, the government would regulate competition among insurance companies so that everyone gets care at a lower cost.

根据这样一个计划，政府会控制保险公司之间的竞争，这样每个人都能以较低价格获得保险。

As we get older the temperature-regulating mechanisms in the body tend to become a little less efficient.

随着年龄的增长，人体的体温调节机能往往会有所弱化。

regulating cholesterol levels.

控制胆固醇水平。