六级In other words, our inner caveman is continually looking over his shoulder to see what the rest of the tribe are up to.
换句话说,我们内心的穴居人不断地回头看,看看部落的其他人在干什么。
2015年12月阅读原文
考研The grand mediocrity of today—everyone being the same in survival and number of offspring—means that natural selection has lost 80% of its power in upper-middle-class India compared to the tribes.
今天的巨大平庸——每个人在生存和后代数量上都是一样的——意味着与部落相比,印度中上层阶级的自然选择已经失去了80%的力量。
2000年全国硕士研究生入学统一考试英语试题
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