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如果不衡量影响,我们只是在猜测可持续性。
The brave may not live forever, but the cautious do not live at all.
Modern farming challenges require solutions that are as dynamic as the climate we operate in.
试管婴儿的未来是使其更简单、更安全、更易于获得。
只要人类继续无情地摧毁较低级的生命,他们永远不会知道健康和和平。因为只要人类屠杀动物,他们也会相互杀戮。