These sound boring but could save billions, which is one reason so many health-care firms moan about them.
虽然这些让人听起来厌烦但这样做可以节省数十亿美元资金，这正是众多医疗保健公司对此怨声载道的原因之一。
Slower cruising — at about Mach 0.7, or seven-tenths the speed of sound, which is 5 percent to 10 percent slower than today's aircraft — and at higher altitudes, to save fuel.
更低速的巡航——大约0.7马赫，即音速的十分之七，比今天的飞行器低5 - 10%——并且飞行于更高海拔以节约燃油。
I'm sitting in a Toyota Prius, testing out the new HALOsonic External Sound Synthesis technology, which could both save lives and liven up the morning commute no end.
我正坐在一辆丰田普锐斯(Toyota Prius)汽车里，测试全新的HALOsonic外部声响合成技术，该技术既能有助于避免车祸而挽救生命，又能令早上上班的通勤车流变得生气盎然。
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