North Korea, the political situation in Burma, and Friday's suicide bomb attacks on two hotels in Jakarta are expected to be key issues at the ASEAN meetings.

VOA: standard.2009.07.17

Okay, so availability and cost become two key issues.

所以便利性和价格优势是两个主要原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Clinton said the two countries, which had frosty relations during the Cold War era and beyond, still differ on some key issues but that their new partnership has the potential to be a "signature accomplishment" of the two governments.

VOA: standard.2009.07.20