Is paying-it-forward a Lean idea that optimizes the whole?
“传递支付”是一种优化全局的精益思想吗？
There are examples of paying it forward every day like volunteering, giving food to the homeless or doing something nice for someone around you.
每天都有传递爱的例子，比如做志愿者，给无家可归的人提供食物，或者为你周围的人做一些好事。
你先付出。
Aimed at characteristics of credit card, it puts forward the index RFMRF for measuring customers 'value from the behaviors of both consumption and paying back.
针对信用卡的特征，提出了从消费行为和还款行为两方面的客户价值度量的指标RFMRF。
Aimed at characteristics of credit card, it puts forward the index RFMRF for measuring customers 'value from the behaviors of both consumption and paying back.
针对信用卡的特征，提出了从消费行为和还款行为两方面的客户价值度量的指标RFMRF。
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