物竞天择，适者生存，自然界中优胜劣汰的“自然选择”现象似乎与经济领域企业之间的竞争现象十分相像和吻合。
The phenomenon of " nature choice" seem to be similar with competition phenomenon between enterprises in the field of economy.
古树，不论是自然遗存还是人类先祖手植，都是在自然界百年甚至千年的优胜劣汰中存活下来的。
Ancient tree was the survivor came down from nature during hundreds or thousands years, no matter it was left over naturally or planted by progenitor.
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