It was hard to figure out how Kaizen (continual improvement) really worked in practice as we saw orange and red lights go off but it wasn't some dramatic swarming event.

看着红色和橙色的灯光交相辉映，却没有大量的人过来检修，我们也很难搞清楚所谓的“Kaizen(持续改善)”如何实际发挥效用。