[简答题] Don’’t laugh at gilded butterflies Part A The Gillette company’’s website flashes out a message to the e-visitor: "Innovation is Gillette", it claims. There are few big companies that would not like to make a similar claim; for they think innovation is a bit like Botox — inject it in the right corporate places and improvements are bound to follow. But too many companies want one massive injection, one huge blockbuster, to last them for the foreseeable future. Unfortunately, successful innovation is rarely like that. The latest manifestation of Gillette’’s innovative skill will appear in stores in North America next month. The global leader in men’’s "grooming products" is rolling out a successor to its popular three-bladed Mach3 range. It will not, as comedians had long anticipated, be a four-bladed version. Rather, it will be the world’’s first vibrating "wet shave" blade. The battery-powered M3Power is designed to bounce around on your skin to