translation.en: So these are systems which are made up of many interconnected or interacting parts: swarms of birds or fish, ant colonies, ecosystems, brains, financial markets.
translation.zh: 这些系统包括了很多 连接和交互的部分： 比如说鸟群，鱼群，蚁群， 生态系统，人的大脑，金融市场。