单词closed-ecosystem
网络: 封闭生态系统；内部良性循环
People were not necessary for a closed ecosystem to run once stable, but they might be helpful in stabilizing it.
封闭系统一旦进入稳定运行，人类就不是必不可少的部分，不过，他们可能会有助于其稳定。
Apple"s platform seemed unbeatable in part because it was a monolithic, closed ecosystem.
苹果的平台看起来是不可击败的，部分原因是它是一个垄断的，紧密的生态系统。
Closed ecosystem for iPhone and iPad
iPhone和iPad封闭的生态系统