我知道你来杀我。开枪吧,懦夫,你只是要杀一个人。
I know you are here to kill me. Shoot, coward, you are only going to kill a man.
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细,所有行为都可以用刺激和反应来解释。
最好的投资是那些既能推动经济又能保护生态系统的投资。