She says that the goods and services provided by nature - like clean air, rain or fertile soils - should not be taken for granted.

VOA: standard.2010.02.24

It's a powerful psychological, you might say, illusion-- people think they want money when, in fact, they should want real goods and services.

你可能会说，这是一种，强烈的心理错觉-,人们认为他们需要货币时，实际上，他们想要的是实物以及服务。

耶鲁公开课 - 金融市场课程节选

It's a powerful psychological, you might say, illusion-- people think they want money when, in fact, they should want real goods and services.

你可能会说，这是一种，强烈的心理错觉-,人们认为他们需要货币时，实际上，他们想要的是实物以及服务。

耶鲁公开课 - 金融市场课程节选