Knowledge is represented in the mind as symbolic structures.
从存在的迷宫中逃脱是不可能的。
Every performance is a new challenge, and I love this challenge.
一个测量可用的常识:手臂伸直两测指尖的距离就是你的身高。
最好的书……是那些告诉你你已经知道的事情的书。
Dairy farming is not just a business; it's a way of life that we must protect and nurture.