translation.en: So this presumably means that these Denisovans had been more widespread in the past, since we don't think that the ancestors of Melanesians were ever in Siberia.
translation.zh: 由于我们认定 美拉尼西亚人的祖先从未到过西伯利亚 所以我们推测 德尼柔娃人在过去分布的地区更广