As countless boards and business owners will attest, constraining firms from firing poorly performing, high-earning managers is a handbrake on boosting productivity and overall performance.

正如无数的董事会和企业所证明的那，限制企业解雇业绩不佳、收入较高的经理人是提高生产力和整体业绩的一个手刹。

The mask operates much like a handbrake on a bicycle. A user pulls a lever which creates an opening in the front of the mask so that food can pass through.

这款口罩的原理很像自行车的手刹。使用者拉动杠杆，打开口罩的狭槽，这戴着口罩用餐了。

And they gave me a very specific mark to hit, and I panicked, and I pulled the handbrake very hard, turned the car, managed-- basically handbrake turned a 1910 Renault, with basically a national treasure in the backseat.

他们给我设置了非常具体的目标，我有些紧张，我非常用力的拉了手刹，把车掉头，靠手刹将一辆1910的雷诺掉头，后座还做着国宝级艺术家。