All things considered, massive breakthroughs don’t come about when firms Enjoy it Risk-free; experimentation is needed to reach lofty organization aims. If very well-intentioned, failures typically develop into worthwhile lessons. 上面是取色环。外面的圈，拖动可以改变色相，中间的方框可以改变明度和饱和度。 SAI1:                                     https://edwardy223ztn6.blogpixi.com/profile