把这一句，留给此刻的你

The Ninety-Ninety Rule of Project Schedules - the first ninety percent of the task takes ninety percent of the time, and the last ten percent takes the other ninety percent.

项目时间表的九百九十规则——任务的前百分之九十占用百分之九十的时间，后百分之十占用其余百分之九十。

— Arthur Bloch 亚瑟·布洛赫