要留意只涉及你的50大客户、但又完全为所有50大客户而存在的异常数据元素？
Watch out for the exceptional data element that only applies to your top 50 customers, but which is there for all 50 of them.
想象一下你带着换洗衣物到附近洗衣店清洗，呈现眼前的是一个装满了肥皂泡水的大滚筒，这时你把所有要洗的衣服扔下去：鲜红色的T恤，牛仔裤，绿色围巾。
You go to the local laundromat to do your wash. In the spinning barrel full of sudsy water you load clothes of all colors: a bright red tee-shirt, blue jeans, a green bandanna.
想象一下你带着换洗衣物到附近洗衣店清洗，呈现眼前的是一个装满了肥皂泡水的大滚筒，这时你把所有要洗的衣服扔下去：鲜红色的T恤，牛仔裤，绿色围巾。
You go to the local laundromat to do your wash. In the spinning barrel full of sudsy water you load clothes of all colors: a bright red tee-shirt, blue jeans, a green bandanna.
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