Over the years, he had invested a lot of money in unsuccessful businesses.

VOA: special.2010.03.21

It's a huge amount of money that they're managing, but I was trying to convince them that they should do something to manage their oil risks because they're way over-invested in oil.

他们管理着一大笔钱，不过我试图说服他们,采取一些措施来应对他们手里石油的风险,因为他们过于侧重在石油上的投资。

耶鲁公开课 - 金融市场课程节选

The South African government has invested an estimated $12 billion over the past four years in infrastructure for the Cup.

VOA: standard.2010.06.03