These contradictory versions arise because rulers and clocks—the things that mark time and space—are not the same for different observers.

之所以有这样矛盾的观点，这是因为“标尺”和“时钟”——它们标志着事件所在的时间和空间，它们对于不同的观察者来说是不一样的。

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Jackson Pollock, Barnett Newman and Mark Rothko painted on such a scale and with such an enriched idea of space that they left the traditional idea of painting behind.

杰克逊·波洛克（Jackson Pollock），巴尼特·纽曼（Barnett Newman）和马克·罗斯科（Mark Rothko）重绘了尺度，并且用这样的尺度拓展了空间概念，他们将传统的油画理论抛之脑后。

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Above the stratosphere, blue layers mark the upper atmosphere (including the mesosphere, thermosphere, ionosphere, and exosphere) as it gradually fades into the blackness of outer space.

在大气层上，蓝色的部分表示上层大气(包括中间层、热层、电离层、外逸层)，它们渐渐消逝到外空间的黑暗中。

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In 1992, the U.S. space shuttle Endeavour took off with a crew that included Mark Lee and Jan Davis, the first married couple in space.

CNN: Friday,

Representative Giffords is a true Arizona gal, a blue-dog Democrat who prefers riding horses and motorcycles to limos, backs a strong military and is, in fact, married to Navy pilot and combat veteran Mark Kelly (he flew 39 missions in Operation Desert Storm and now commands space shuttle missions).

FORBES: The Woman Behind the Olbermann Tempest

Mr. Giesea said Mark Madoff had been using office space in Manhattan in recent months and pitching the idea to various potential partners.

WSJ: Mark Madoff and the Fraud's Burden