Everything is useful which contributes to fix in the principles and practices of virtue.

任何有助于确定道德原则和道德实践的东西都是有益的。

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Mobile phones are one of the most useful inventions of the last 50 years, but not everything that is said about them is good.

手机是过去50年里最有用的发明之一，但并不是所有关于它们的说法都是正面的。

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They also have a refreshing attitude to "failure" - everything is viewed as a useful experience, and trial and error is seen as a legitimate path to success.

他们也有一种全新的“失败观”——任何事都是有益的经验，反复试验，不断摸索被他们看成是通往成功的正途。

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If Google Goggles is not quite augmented reality coating the world around you in a layer of data about everything you see it is useful.

FORBES: The Future Is Here And It Doesn't Recognize Your Dog

Our government is just as ineffective at providing useful real time economic data as it is at everything else it does.

FORBES: You Have To Believe In Hitchcock's 'McGuffin' To Be In Politics

Many ecologists now accept that prohibiting everything in the name of protecting nature is not useful, and so are being selective.

ECONOMIST: The great race | The