—— 请按键盘 空白键 开始游戏 ——

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。
对于只有一把锤子的人来说,每个问题看起来都像是钉子。
Remember that time is money.
The conjectures of the Langlands program are not merely problems to be solved but a vision of how mathematics should be.
El tiempo no pasa, somos nosotros quienes pasamos a través de él.