History of Western Europe from a geopolitical perspective Analysis of fiscal system from a political perspective Study of Melville from an ecocritical perspective a study of EU Mediterranean policy from a historical perspective 并列题名：Study of Melville from an ecocritical perspective 并列题名：Analysis of fiscal system from a political perspective Modern history viewed from a local perspective European union from a cultural perspective Study of British tea culture from a multi-dimentional perspective Study of Chinese non-standard negation from a typological perspective