关于to的用法
“One had to be able to jump,”he later wrote,“from software documentation to a list of people to a phone book to an organizational chart to whatever.”请问和：had to be able to表示的是必须能够做某事?再就是后面的to那一个和from连用,还有from后面的四个to分别是什么用法,并翻译全句.