The main difference was that Cousteau simply investigated and presented the facts—he didn't mix in fiction.
主要的区别是，库斯托只是简单地调查和陈述事实——他没有混合在小说中。
2
Well, Painlevé and Cousteau did both film underwater, and they were both innovators, so you are right in that sense.
班勒卫和库斯托都拍过水下电影，他们都是创新者，所以在这层意义上来说，你是对的。
3
Cousteau usually filmed large animals, usually in the open sea, whereas Painlevé generally filmed smaller animals, and he liked to film in shallow water.