If you want to add to this picture and try and sketch it globally, you really have to force yourself to go down to the four corners of the Earth -- Africa, India, Antarctica, Australia -- and start putting together some of these pieces.
如果你想为这个画增添些什么，为了使它更完美一点， 你就必须走遍 地球的各个角落-- 非洲、印度、南极洲、澳大利亚-- 并且试着开始找出最终答案。