Unit testing tools allow us to check that key invariants of our programs continue to hold under refactoring.

单元测试工具使我们能够检查重整情况下继续保持的程序的关键不变量。

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By increasing productivity, training programs can hold down corporate labor costs per unit of production for years to come.

通过提高生产力，此类培训项目能在未来数年里缩减企业的单位劳动成本。

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He sketched devices to hold an iPad in a hospital bed. He designed new fluid monitors and X-ray equipment. He redrew that not-quite-special-enough hospital unit.

他画了一些素描，比如在病床上握着一个iPad，设计新的移动显示器和X线设备，他还重新设计了“一些不特殊的”医院部门。

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As if that wasn't enough, the installer apparently also used tape to hold the GPS unit in place, installed the antennae on the inside of the car instead of the outside, and used a glue gun to install the speakers instead of bolting them in place.

ENGADGET: Man left with $12k in damages after Circuit City GPS install gone wrong

We might give it another go when we eventually get hold of a review unit, of course (it's OK, Jonney, we'll be gentle).

ENGADGET: ASUS PadFone Infinity vs. PadFone 2... fight! Mobile

But when the initiative takes hold in one business unit or another, she needs to pick out the stories of how employees have embraced it and made it their own.

FORBES: Why Smart Leaders Need to Keep Selling Their Message