比如美国全国的农地在2010年总值约为1.9万亿美元，而股票市场和住宅市场则分别高达16.5万亿和16.6万亿美元。
For example, U.S. farmland had a total value of $1.9 trillion in 2010, compared with $16.5 trillion for the US stock market and $16.6 trillion for the US housing market.