1.multiple citizenship 多重國籍

例句:The idea that it is possible, let alone desirable, to allow multiple citizenship is relatively recent.
先不說允許多重國籍是否可取，它是否可行還是相對較新的概念。

2.International law 國際法

例句:Independence and sovereign equality among states is a fundamental principle of international law.
國家的獨立和主權平等，是國際法上的一項根本原則。

3.think-tank 智囊團

例句:The persons interviewed were think-tank experts, officials, businessmen and women, journalists, cultural and religious leaders.
這些受訪的人包括智囊團專家、政府官員、商人、新聞從業者、文化領袖和宗教領袖。

4.as well as 也；和...一樣

例句:They visited some factories, hospitals as well as the school.
他們參觀了這所學校，還參觀了工廠和醫院。