translation.en: And the key idea is that the mathematical solution of this class of models exhibit finite-time singularities, which means that there is a critical time where the system will break, will change regime.
translation.zh: 这类数学模型告诉我们 异常值出现的次数是有限的， 也就意味着在某个时刻， 系统会崩溃，会彻底改变整个形势。