Foreign policy had been a key issue in the campaign. 外交政策曾是竞选活动中一个关键性的问题。

This economic model has the following key features. 该经济模式有以下主要特点。

South Africa lost two key players through injury. 由于受伤，南非队失去了两名主力队员。

+to Women farmers are key to China’ s economic development. 农村妇女对中国经济的发展至关重要。