It's basically efficient brainstorming, and when I visited David to learn about his research, he used dancers to explain it to me rather than the usual method: PowerPoint.
这属于高效的头脑风暴。 我去拜访大卫了解他的研究时， 他运用舞蹈演员给我解释 而不是常用的办法：幻灯片。