For those still uncertain of the benefits offered by this approach, Leffingwell begins his book by examining \What is Agility, and why are large enterprises even considering it?\, ...

X*10 (mean times ten), referring to the well known fact that some developers are ten time better than average - our goal for all our graduates, X*10（意味着10倍），即非常有名的、某些开发人员的能力为平均水平的10倍——这也是我们对所有毕业生的期望。