In the solar calendar, May the first is International Labor Day.

阳历五月一日是国际劳动节.

Then development of genetically modified rice and wheat may the final target of the first generation GM crops that would promise great profit to the company.

开发转基因稻米和转基因小麦可能是孟山都第一代转基因作物的最终目标，它们将给孟山都带来巨大的利润！