你说的可能是这个“the way in which people or things behave or react to each other in a particular situation: the dynamics of political change or group dynamics(= the way in which members of a group react to each other.)这是牛津高阶英语词典第7版 dynamics的释义1。简而言之，是不是就是互动啊...我又查了一下FDI，foreign direct investment，^_^～我长知识了～...
