Thoughts on reinventing society 第二曲线：社会再造的新思维：thoughts on reinventing society Second curve : thoughts on reinventing society The second curve：Thoughts on reinventing society 第二曲线：跨越“S型曲线”的第二次增长：thoughts on reinventing society 第二曲线：跨越“S型曲线”的二次增长：thought on reinventing society Thoughts on Chinese Work-unitSociety Towards a learning society Aging in a changing society Out of farming society