"I've seen very expensive protein supplements that claim to be high quality but they might not really be beneficial for the average healthy adult,"she says.

“我曾见过一些非常昂贵的蛋白质补充剂，它们声称是高质量的但它们可能对普通健康成年人并没有真正的好处。”她说。

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"I've seen very expensive protein supplements that claim to be high quality but they might not really be beneficial for the average healthy adult," she says.

她说：“我见过非常昂贵的蛋白质补充剂，它们声称质量上乘，但它们可能不一定对达到平均健康的成年人有好处。”

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The researchers want to perfect cloning in cows because of the large market for expensive high-quality beef.

科研人员希望完善克隆牛技术，因为昂贵的高质牛肉市场庞大。

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But they often rely on RF signals from wi-fi access points or custom infrastructure, poor-quality GPS signals or expensive, high-quality sensors.

ENGADGET: Cambridge Consultants develops indoor tech to pick up where GPS drops off

But anyone hoping for a truly radical revamp of the country's high-quality but hugely expensive and inefficient public health service will be glum.

ECONOMIST: Germany's health-care reform

Microsoft falls into the broad category of high-quality stocks that were incredibly expensive in 1999 and have not gone anywhere since (and have often declined, as is the case with Microsoft).

FORBES: Will Microsoft Inject Trademark Mediocrity Into Promise Of Skype?