If he wanted to, he could untie the boat and sail out into the bay.

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Fully engaged, the Brembos arrest the speeding truck as if you'd forgotten to untie it from the dock.

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To a couple interested only in the fastest way to untie the knot, the question may seem to be an unimportant technicality.

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To untie old knots of bad feelings we've had.

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The trickiest knot to untie, however, may be demographic.

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