This is an Open Access journal, copyright owned by the Shanghai Institutes for International Studies (SIIS) and World Century Publishing Corporation (WCPC). The article is distributed under the Creative Commons Attribution 4.0 (CC BY-NC) Licence. Further distribution of this work is permitted, provided the original work is properly cited and for non-commercial purposes. For this journal, a double-blind review process is adopted to ensure the incisive and impartial analysis of the articles. For all accepted articles, authors do not need pay any processing fees.