Bees pollinate many of the world's crops—a service estimated to be worth 15 billion a year in America alone.

蜜蜂给世界上的很多庄稼授粉，仅在美国，这种服务每年价值150亿美元。

CBRE, a commercial real estate service, estimates that Americans will end up returning $70 billion worth of online purchase post holiday season.

CBRE，一家商业房地产服务机构，估计美国人在节后将产生价值700亿美元的网购量。