Not all fields of project management are discussed in this article, the initial stage, plan, quality and risk are the points studied here.

本文并未对项目涉及到的所有方面全部加以讨论，而是有针对性的对项目的启动、计划、质量和风险管理进行重点研究。

youdao

If 80% of all the people had to spend their entire lives standing around in muddy fields we could not have all of those other things.

FORBES: Of Course WalMart Destroys Retail Jobs: That's The Darn Point Of It All

Bad looking tomatoes or squash rot in the fields or are never picked at all because they are not at the right ripeness when pickers come through the fields.

FORBES: What Food Do We Throw Out? How to Stop Food Waste at Home

Nevertheless, in a continent where education is a way to the city, a suit and an office job, finding well-qualified people to stand in the open fields all day will not be easy.

ECONOMIST: Feed the world