经过客户许可的电子网络营销形式，是信息时代一对一营销的主要形式。
Permission Email Marketing (PEM), a permitted electronic network marketing, is the main marketing form of one-to-one in the information age.
在出生的地方他们好像是过客；从孩提时代就非常熟悉的浓荫郁郁的小巷，同小伙伴游戏其中的人烟稠密的街衢，对他们来说都不过是旅途中的一个宿站。
They are strangers in their birthplace, and the leafy lanes they have known from childhood or the populous streets in which they have played, remain but a place of passage.
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