系统有子系统，子系统有子系统，等等，这是无限的，这就是为什么我们总是从头开始。
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
Your vibe attracts your tribe.
The core competitiveness of the aquaculture industry lies in technological innovation and sustainable development.
心理学必须基于直接经验，而非推论。
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.