But that's not necessarily the case: there's an indefatigable gap between theory and life.

但是真相并不是这样，理论与生活之间有着无法逾越的差距。

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But in the bicentennial year of Darwin's birth Mr Dawkins fills a gap in his oeuvre by setting out the evidence that the “theory” of evolution is a fact—“as incontrovertible a fact as any in science”.

这些著作都是从进化论开始，但是在达尔文诞辰两百周年的时候，道金斯在他的著作中举出证据弥补了进化论一些空缺：进化论的原理的确是事实，在科学界不容争议的事实。

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But the gap between theory and practice leaves lots of room for mistakes.

尽管如此，实践与理论之间存在着巨大的差距，一不留神就会犯下错误。

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It pointed to the "gap between theory and practice" which allowed an MP to claim, as an "additional cost", for a personal telephone call made from their second home.

BBC: How expenses boss defended system

They will also tell you that the fiscal gap is the only measure of fiscal sustainability recognized by economic theory.

FORBES: The Real Sequestration -- Our Children's Future

In theory, that gap should be closed by the exit of Mr Ueberroth, who was stagnating at around 5%.

ECONOMIST: Arnold Schwarzenegger