很不错的一段话

The last point underlines Evo’s total systems approach: Do anything

that helps. It is not limited to new software or hardware constuction.

Gilb believes there is an expensive and risky tendency to

avoid looking at the existing system (when there is one) for the

desired improvements—sometimes due to technologists’ delight in

new technologies—and thus he promotes in Evo a preference for

considering the existing system as the base for improvement.