Literature Reference: 连茹，出自《诗经·小雅·伐木》：'伐木丁丁，鸟鸣嘤嘤。出自幽谷，迁于乔木。嘤其鸣矣，求其友声。相彼鸟矣，犹求友声。矧伊人矣，不求友声？' 'Lian Ru' originates from 'The Book of Songs·Xiao Ya·Fa Mu': 'Chopping wood, ding ding, birds chirp ying ying. From the deep valley, they move to the tall trees. Their chirping seeks the voice of friends. Birds, they seek the voice of friends, how much more should we humans?'