煤炭行业的转型既需要决心也需要耐心。
The probability of a response is determined by its reinforcement history.
The causal lens transforms data into knowledge.
教育就是激发生命，充实生命，协助孩子们用自己的力量生存下去，并帮助他们发展这种精神。
When someone makes a decision, he is really diving into a strong current that will carry him to places he had never dreamed of when he first made the decision.