反馈是一个强大的概念,在自然系统和技术系统中被广泛使用。
The best dairy products come from a commitment to excellence at every stage of production.《Dairy Leadership》
你无法预先把点点滴滴串连起来,只有在回顾时才能明白它们是如何联系在一起的。
"Memory can make a thing seem to have been much more than it was."