•The airline is taking steps to ensure safety on its aircraft.航空公司正在采取措施以确保其航班的飞行安全。

•[+ (that)] The role of the police is to ensure (that) the law is obeyed.员警的职责就是确保人们遵守法律。

•[+ two objects] Their 2-0 victory today has ensured the Italian team a place in the Cup Final/ensured a place in the Cup Final for the Italian team.今天义大利队二比零获胜，稳操胜券进入世界杯的决赛。