Using different sensory stimuli, attention is systematically directed to children's activities, and even the sense of smell can be trained in an understandable way, thus becoming an organ for them to explore the environment.
利用不同的感官刺激，有条不紊地将注意力引导到儿童的活动甽，即便是嗅觉也可以用理解的方式来训练，从而成为他们探索环境的器官。
The probability of a response is determined by its reinforcement history.
Cultural confidence is the foundation of brand confidence.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
