情绪是为机体行动做准备的生物信号。
Emotions are biological signals that prepare the organism for action.
The most important step in emancipating oneself from social controls is the ability to find rewards in the events of each moment.
计算机科学家最重要的技能是解决问题。
The beauty of a well-designed algorithm lies in its simplicity and efficiency.
农民是我们经济中唯一必须以零售价购买一切，以批发价出售一切，并支付双向运费的人。