本文首先阐述了优惠性原产地规则的研究背景和研究的思路。
The paper firstly describes the background and Research Methods of Preferential Rule of Origin.
本文分析优惠性原产地规则的保护机制及其效应，指出WTO统一优惠性原产地规则的必要性。
This paper makes an analysis of the protection mechanism and the effect of the pro, stating that it is vital that the WTO make unified pro.
欧盟优惠性原产地规则包括普惠制和优惠性贸易协定的相关安排，中国从欧盟享受的是普惠制待遇。
The EU preferential origin rules comprise GSP and preferential trade agreements and China enjoys the former one.
应用推荐