In the United Kingdom alone, there are around 650 kilometers of "smart roads" in use.

仅在英国，就有大约650公里的“智能公路”在使用。

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If you're unsure of whether to laugh or kick the smart mouthed kid out of your office, you're not alone.

遇到这种情况，并不是只有你一个人会不知道是该笑还是该把这个说话如此放肆的小家伙踢出办公室。

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And retailers are smart to show the original price alongside the sale price than show the sale price alone.

零售商也很聪明：他们把原始价格挨着销售价格标示，而不是仅仅标示销售价格。

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Wenger was fortunate to inherit a solid defense in 1996 and he was smart enough to leave it well alone.

FORBES: Arsenal Has Become Boring

Miss Horwood-Smart also detailed how Martin lived alone with his Rottweiler dogs.

BBC: Burgled farmer 'made threats to kill'

So why do so many smart people still try to go it alone?

FORBES: Why Smart People Can Be Stupid About Asking For Help