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摸摸酸痛的老腰，倒是真想见见到底是谁对自己如此不客气。Why is feedback so useful for deliberate practice? In the article "Failure is not the Mother of Success, Success is the Mother of Success" by Teacher Wan Weigang, it is stressed that feedback is divided into two types: one is to accuse you of not being able to do it yourself, and this feedback will bring bad effects. 2 refers to the right thing, not that you can't do it, but that what you do can be better promoted through improvement. Effective feedback is that "good is failure" needs to meet three conditions. 1. Timely, if it is wrong, someone will point it out to you immediately. It is not right for people to be right for things. The cost of mistakes is small. This is more like the green light thinking in the learning mentality. To distinguish between "I" and "my view of behavior". I am very good myself, and my behavior and opinions can be changed.回头她过得不遂心，把家里折腾的鸡飞狗跳，娘饶不了你。Lin Junjie张槐、张杨、小葱，都不知如何回答。换了一身青色长衫的田夫子，头发束得整整齐齐，连下颌一缕长须也修整过，看起来甚为清爽。1936年纳粹者发起全国青少年挑战阿尔卑斯山背面的活动,很多人都认为那是死亡之墙,但还是有2位德国青少年挑战,而最终失败的故事。 人们在雪山中发现了他们的尸体　其中一人手紧握攥着一个小页血书，上书“给我一套装备。我能爬到中国