However, while Spaniards did put sugar, which was unknown to indigenous Americans, into chocolate beverages, this additive was not completely innovative.
然而，尽管西班牙人确实在巧克力饮料中加入了美国土著居民所不知道的糖，但这种添加剂并不是完全创新的。
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Using this way to set up bias-correction confidence belt is driven with data completely, and has not any additive regulating parameter, it is very effective in practical application.