You can tell the age of a tree by counting its rings, but these records of trees' life really say a lot more.

你可以通过数年轮来判断树木的年龄，但是作为树木生命的记载，年轮能说明的东西远不止于此。

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Having a lot of children is a way of insuring themselves against loneliness in old age.

养很多孩子是他们预防老年孤寂的一种办法。

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It takes a lot of pluck to start a new job at his age.

在他这个年纪开始一份新的工作要有很大的勇气。

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It seems to me that people go to college and then they join their firms and between age of 25 to 35, they learn a lot.

我发现人们上大学,之后进入公司,从25岁到35岁学了大量的东西。

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It's bad enough to say that a lot of the girls get pregnant at a younger age than opposed to here.

与这里情况相反，许多女孩在很年轻时就做了妈妈，这太糟糕了。

波多黎各的美女 - SpeakingMax英语口语达人

And this is why also a lot of it became the New Age essentially.

所以本质上成为了新纪元运动。

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Testosterone drops with age, a lot of the nasty older men are probably running on cortisol.

FORBES: Women Are Happier Than Men; Testosterone To Blame

"Because of their age, a lot of war memorials are beginning to fade and we want to make sure that the information on them is preserved for posterity, " said Mr Rees.

BBC: Audit of Wiltshire's war memorials to be carried out

After so many years of performing like a robot, by the age of 25, a lot of kids who grew up like me have no idea how to connect with other people.

CNN: Tiger moms: Don't turn your kids into robots