只有十三个国家响应了这一呼吁，但他们的投资 — — 在研发领域、帮助农民利用新研究成果的服务、信贷和融资计划、商品交易所和其他营销努力 — — 均已经产生了丰厚的红利。
Only 13 countries answered that call, but their investments – in research and development, services that help farmers take advantage of new research findings, credit and financing initiatives, commodity exchanges, and other marketing efforts – have already paid dividends.