研究人员发现了大约1000个种群，而且从个体到个体间分布一致；
The researchers found about 1000 species total, which were fairly consistent from person to person;
研究人员发现了大约1000个种群，而且从个体到个体间分布一致；原来人们的鼻子里、背上都住的房客都大同小异。
The researchers found about 1000 species total, which were fairly consistent from person to person; it turns out we all have similar tenants in our noses and on our backs.
研究人员发现了大约1000个种群，而且从个体到个体间分布一致；原来人们的鼻子里、背上都住的房客都大同小异。
The researchers found about 1000 species total, which were fairly consistent from person to person; it turns out we all have similar tenants in our noses and on our backs.
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