4.6 1475. 商品折扣后的最终价格
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，更多细节参见WPS官方版本下载
当然，刘强东面临的挑战同样艰巨。高端游艇高度依赖品牌信誉与长期交付能力，单船建造周期长、资金占用大，远非互联网式的快速扩张可以解决。更何况，国内市场规模仍然有限，私人游艇文化尚在培育阶段。
If we think about this algebraically, what we really want to do is express the input pixel as the weighted sum of palette colours. This is nothing more than a linear combination of palette colours with weights :
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