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

Okay, so you guys have identified some of the key issues that make dietary assessment so difficult.

好的,大家指出了一些使饮食评估,变得很难的关键因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Okay, so you guys have identified some of the key issues that make dietary assessment so difficult.

好的,大家指出了一些使饮食评估,变得很难的关键因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选