最基本的方法是使用历史保留数据对活跃的顾客做出以下预测。
The basic approach to tagging customers is to utilize historical retention data to make predictions about active customers regarding.
也就是将这些活跃的顾客和历史保留数据中有相似特质的顾客相匹配。
The idea is to match up active customers with customers from historic retention data who share similar attributes.
由于月球没有大气层,它的表面不会受到侵蚀,所以它保留了早期历史的痕迹。
Because the Moon has no atmosphere, its surface is not subject to erosion, so it retains the marks of its early history.
This is in a state that barely extends beyond Brandenburg and Pomerania in what now is Western Poland, and still Prussia in the unified Germany.
当时的普鲁士基本上就是勃兰登堡和波美拉尼亚,在德意志第二帝国时期仍保留普鲁士王国的建制,历史上的波美拉尼亚现位于波兰西部
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