They say African governments have to increase their investment in agriculture in order to fight problems related to climate change.

VOA: special.2009.11.17

I think one of the most pervasive problems in the financial markets is investment with too short a time horizon.

我认为金融市场上,最为普遍的问题,就是投资期限太短

耶鲁公开课 - 金融市场课程节选