And so, in addition to digging, I think we have some answers from the dinosaur record. I think these dinosaurs migrated -- we call it dispersal -- around the globe, with the slightest land bridge.
因此，除了挖掘之外，我认为我们能从 恐龙的记录上得到一些答案。我觉得恐龙曾经有过迁移-- 我们称之为分散--在全球范围内，通过最狭窄的大陆连接地带。