project和plan program什么区别`

Project：项目，
A temporary endeavor undertaken to create a unique product, service, or result.为创造某一独特产品、服务或者结果所做的一次性努力。
Program：项目集，
A group of related projects managed in a coordinated way to obtain benefits and control not available from managing them individually. 一组相关的项目，是以协同的方式获取单独管理所无法取得之效益的一组项目。