answer for: rare language translator interviewed last speaker who refused to sell land near volta river with different names in two countries niger-congo classification fewer than 1000 speakers
回答：罕见的语言翻译采访了最后一位拒绝出售沃尔特河附近土地的发言者，两个国家的名称不同，尼日尔-刚果分类不到1000名发言者
以上为机器翻译结果，长、整句建议使用 人工翻译 。