<正>当你穿越秦岭-淮河线时,你会发现在此线的南北两面,农业差异明显。我们可以将此归因于气候差异。北方的气候更干燥、寒冷,而南方则相反,这种差异导致了不同类型的农业。1 China, or officially the People’s Republic of China, is a country in East Asia that is home to more than 1.4 billion people.