One threat to this area is the introduction of foreign plants and organisms.

VOA: special.2009.04.22

The second part of the question dealt with the changes in our exposure to foreign assets and that's an area that we've been very interested in.

第二个问题是关于,我们在国外资产投资上的变化,这一直是我们很感兴趣的领域

耶鲁公开课 - 金融市场课程节选

"The key to long term success in this area is our outreach with foreign governments."

VOA: standard.2010.07.23