Maggi先生说马托格罗索州只有8%的土地用于商业性农业。
Mr Maggi says that only 8% of Mato Grosso's territory is given over to commercial farming.
但到了1920年末，战时的需求突然终止，生产主要作物的商业性农业遂一蹶不振。
But by the end of 1920, with the abrupt cessation of wartime demand, the commercial agriculture of staple crops fell into a sharp decline.
从世界各国特别是一些发达国家的实践来看，农业保险几乎都是商业性保险公司在农业领域的尝试，但大都以失败告终。
As the practice of the developed countries shows, all the attempts of using the commercial insurance company in the domain of agriculture have been lost at the end.
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