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。

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You're paying it forward.

你先付出。

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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？

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Check out these five impact-worthy apps to help you fit paying it forward into your daily routine.

CNN: 5 impact-worthy apps

Most of them strongly believe in paying it forward and are more than willing to offer help when asked.

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Maybe a little paying it forward from one formerly troubled actor to another?

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