He says if South Koreans want to really boost their global profile, they need to make greater contributions to international causes, such as poverty reduction or climate change.

VOA: standard.2009.11.05

Any era of great change, great ferment, usually causes reform, anxiety, people who get worried, want to change things.

任何一个大变革的时代,大的动乱,通常会导致改革和焦虑,人们变得担忧,想要改变局面

耶鲁公开课 - 美国内战与重建课程节选

Any era of great change, great ferment, usually causes reform, anxiety, people who get worried, want to change things.

任何一个大变革的时代,大的动乱,通常会导致改革和焦虑,人们变得担忧,想要改变局面

耶鲁公开课 - 美国内战与重建课程节选