But in the Americas the gap suddenly stopped growing about 2500 years after the first crops showed up.

但是在美洲，在第一批农作物出现后的2500年后，这种差距突然停止增长。

When the agribusiness giant Monsanto released its first G.M.O. crop in 1996 - an herbicide-resistant soybean - the company was in need of cash.

1996年，农业综合企业巨头孟山都推出了第一种转基因作物——一种抗除草剂的大豆，当时该公司急需资金。

As the scientists remarked, “The grapevine was probably the first fruit crop domesticated by humans … It was one of the first globally traded goods.”

“葡萄藤应该是人类最早驯化的水果… … 葡萄是最早在全球贸易的商品之一。”

Shea had promised that while the plant could not be cultivated until its fourth year, its first crop would cover all the initial capital expenditure.

谢伊承诺， 虽然该植物要到第四年才能种植，但其第一批作物将覆盖所有初始资本支出。