但在这一片灰暗景象中出现了美国企业家艾瑞克•格林伯格和卡尔·韦伯称为“历史上最活跃的志愿者世代”或“Generation We”的一群人。
Yet against this gloomy backdrop emerges what US marketers Eric Greenberg and Karl Weber have called "history's most active volunteering generation" - or "generation We".
片理（劈理）为早世代挤压-剪切褶皱的轴面片理，又成为晚世代弯滑褶皱的滑动面；
The cleavage and schistosity acted as an axial plane role in the early generation of compressed shear fold, and changed into a slip plane in the later generation of flexural slip fold.
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