Comparison of custom between China and English-speaking countries 并列题名：Comparison of custom between China and English-speaking countries comparative study between China and developed countries Prospects for energy cooperation between China and Portuguese-speaking countries Comparison of land institution between China and foreign countries Economic cooperation between China and the neighboring countries economic cooperation between China and the neighboring countries Society and culture of major English-speaking countries A history of relations between China and Afro-Asian countries Annual report on the development of cooperation between China and Portuguese-speaking countries