保持饥饿,保持愚蠢,但也要保持专注。
The behaviorist asks: Why don't we make what we can observe the real field of psychology?
采矿效率不仅仅是成本问题,更是减少环境影响的问题。
我喜欢自己做选择的自由。
The mind is a complex system that can be analyzed at multiple levels.