translation.en: This vast domain of hidden biodiversity is increased still further by the dark matter of the biological world of bacteria, which within just the last several years still were known from only about 6,000 species of bacteria worldwide.
translation.zh: 还有另外一个生物群体 它们通常不被关注，但其蕴含的生物多样性却更多 单单是过去的几年 世界范围内就发现了6000例新的细菌物种