a case study of translating Dao De Jing into English 翻译中的文化与文化中的翻译：《道德经》英译个案研究：a case study of translating Dao De Jing into English a case study of Xi'an and Beijing inbound tourism a case study of population aging in Zhejiang a case study of an artist of the Lijiang Painting School a case study of grassland circulation a case study of the gas engineering a case study of government opening data in China a case study of Well-Being facilities a case study of bus integration in CZT region