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北沟河中漂浮着无数断肢尸身，以至于河水一度为之不流。Similarly, from the perspective of the sand pile paradox, the value of the 10,000-hour law has thus been dispelled. As real psychological science research shows, the time to become an expert often changes with different fields of professional skills.When "cracking" the sand pile paradox, we often have to set a fixed boundary. If we say "10,000 grains of sand are a pile of sand", then less than 10,000 grains of sand cannot be called a pile of sand. Then it is somewhat unreasonable to distinguish 9999 grains of sand from 10001 grains of sand. This has to set a variable boundary, but what is this boundary? We don't know now. Then the value of "10,000 grains of sand are a pile of sand" originally set as knowledge will be reduced.接着，红椒、紫茄、山芋、香荽都起来活动了，有的练拳，有的在院中跑步。张杨瞪了他们一眼，道：他这样性子，尚且知道用功，你们呢？花生忙道：爹，儿子已经很用功了。那么，只能在霸业和王业之中选择其一了。