They found that just one tree can save a city hundreds of dollars over its lifetime.

他们发现，一棵树在其一生中可以为一个城市节省数百美元。

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Armed with a lifetime of savings and with just one child, parents are only too willing to lend a hand — and sometimes twice.

手里拿着一生辛劳所得，又只有一个孩子，如今的父母过于热心帮孩子买套房子——有时甚至是两套。

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Just over one year time, but they burn a lifetime.

只有一年多的时光，可是却燃尽了一生。

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Kentucky Wildcat: Stays just one season but the memories last a lifetime.

WSJ: The Sweet Smells of Victory: Sports Fragrances That Should Be Invented

It will always have been an experience of a lifetime, one the four of us shared -- just us.

CNN: Delivering my son: 'Breathe, baby, breathe!'

For a newly married couple, it can be very traumatic, he says, to go from a lifetime of near-separation from the opposite sex to a full sexual relationship in just one night.

BBC: The sex manual for ultra-Orthodox Jews