These include the centuries-old custom of "bul", where leaders would call a temporary stop to fishing for key species in order to give fish stocks an opportunity to replenish.

这些传统包括几个世纪以来被称之为“bul”的旧习俗，领导人会要求暂停捕捞一些重要种类的鱼，给鱼类总储备量繁衍补充的机会。

John Bul Dau explores territory few can imagine-the depths of inhumanity and the boundaries of endurance.

常人根本无法想象约翰·布尔·道所探索的是怎样的领域：非人程度之深与忍耐程度之极。