"You never really understand a person until you consider things from his point of view."
你永远无法真正理解一个人,除非你从他的角度考虑问题。
Behavior is determined by the current stimulus situation and past reinforcement history.
农业的未来在于平衡生产力与环境管理的可持续实践。
计算机是一种表达媒介,就像钢琴是一种表达媒介一样。