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　　版本二众人都哄笑。D. Invoke (str);The above machine is limited to recharging Manaka and cannot sell subway tickets or Manaka. It is still very convenient to recharge.This is the second sub!Deliberate practice does not deny the importance of situation, but in some best sellers, the mainstream methods that have been confirmed by learning science are placed in a humble corner. Tacit knowledge, which is closely related to learning, is ignored. A large number of studies in learning science show that the best way for adults to learn is not to practice alone, but to learn in situations. Effective learning is to enter relevant situations and find one's own "learning community". At the beginning, learners turn around important members and do some peripheral work. With the growth of skills, they enter the core of the learning community circle, gradually do more important work and eventually become experts.[Sina Weibo] The main number releases positive energy, while the trumpet releases private feelings.