Analysis of Popularization of Tea in England;
茶在英国的普及时间辨析
Air Pollution Control and Activity Policy in England;
英国大气污染控制及行动措施
General Situation of Biopersity Conservation in England, India and America and Those Borrowing Meaning;
英国、印度和美国生物多样性法律保护概况及其借鉴意义