The futures contracts were invented in Japan in the 1600s at Osaka and they were developed for the rice market in Japan.

期货交易合同发明于,16世纪的日本大阪,并在日本的大米市场得到发展

耶鲁公开课 - 金融市场课程节选

We also have standardized contracts that are traded on exchanges and they're called futures contracts.

也有在交易所中交易的,标准化合同,它们被称做期货合约

耶鲁公开课 - 金融市场课程节选