A high-tech test that can tell when a person is not telling the truth sounds too good to be true.

一项高科技测试可以判断一个人是否在说谎，听起来好得令人难以置信。

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He said: 'the true test was when a colleague used his index finger to move me forward - a mere push and the slabs and I shot forward.

他说：“真实的情况是我站在那些木球上时，我的同事用一根指头就能推着我往前走。”

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Note that I have to check that the attribute is actually present, since when it's absent the contains test would return true (the empty string is contained in all strings).

我必须检查这个属性实际上是否出现，因为当没有这个属性时，contains测试将返回true(所有字符串都包含空字符串)。

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The true test of success in diversifying Gulf economies away from state-run oil will be when some of that money chooses to come home.

ECONOMIST: The suffering Gulf

However the true test starts today as consumers place their orders and then, 10 days from now, when customers get their hands on the new Surface tablet.

CNN: Microsoft Surface tablet goes on sale for $499

The true test of whether he's really pulled off his transformation with his fans may come when the 24-year-old performs at Somerset's legendary Glastonbury Festival later in June.

BBC: Newsbeat - Music - Bad reviews 'inspire' Jack Penate