Field science isn't usually the province of bankers. Particularly when it involves precisely measuring the circumference of tree trunks.
野外科学一般并不是银行家的领域，特别是涉及到精确测量大树的周围这样的事。
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Art is the tree of life. Science is the tree of death.
艺术是生命之树，科学是死亡之树。
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An arched fossilized foot bone found in Ethiopia shows that human ancestors walked upright 3.2 million years ago and were no longer tree dwellers, said a study Thursday in the journal Science.