1·None of the tribes speak the same tongue.
这些部落所说的语言都不相同。
—— 《牛津词典》
2·Many African tribes believe in reincarnation.
很多非洲部落相信转世再生。
—— 《柯林斯英汉双解大词典》
3·The conflict made it nearly impossible to track the activities of enemy tribes outside Roman territory.
这场冲突使得在罗马领土之外追踪敌方部落的踪迹成为几乎不可能的事。
4·They belong to many different, and often antagonistic, clans and tribes, with no common language or religion.
他们属于许多不同的，往往是敌对的宗族和部落，没有共同语言或宗教。
5·Even the earliest of tribes had a system of numeration that, if not advanced, was sufficient for the tasks that they had to perform.
即使是最早的部落也有一种计算系统，哪怕不先进，也足以完成他们必须执行的任务。