描述
Some projects are ambitious（雄心勃勃） and far-reaching（遙遙領先） in their social, economic, demographic and political impact. Others are less grand （宏偉的）and more self-contained（知足的）. Some require advances（提升） in basic science, and others deploy（利用） proven technology or best practices. Some projects challenge（挑戰） deeply held beliefs while others uphold（維護） traditional values. and some projects fail.
Regardless of time, place, or culture the dominant characteristic of a project is that it is a goal to be met within the twin expectations of time and cost.
