comparative study between China, Japan and south korea 老年长期护理保险制度：中日韩的比较研究：comparative study between China, Japan and south korea a comparative study between China and Russia comparative study between China and developed countries comparative study between Hotan city and Altay city a case study of China, Japan and South Korea a comparative study between international law and domestic law comparative study of China and Korea A comparative study between Yu Dafu and D.H.Lawrence the comparison among China, Japan and south Korea