So let's say that we work hard, and we actually don't just tap the brakes, but we step hard on the brakes and really reduce emissions and eventually reduce concentrations.
如果真要走减排这条路，我们要做的不仅仅是轻踩刹车， 我们应该急刹，真正做到减排， 最后达到降低CO2浓度的目的 。