玉米被广泛用作牲畜饲料，由于畜牧业的利润率很低，许多农民预计将退出这一行业。
Corn is extensively used as feed for livestock, and because profit margins are tight in the livestock business, many farmers are expected to leave the business.
玉米被广泛用作牲畜饲料，由于畜牧业的利润率很低，许多农民预计将退出这一行业。
Corn is extensively used as feed for livestock, and because profit margins are tight in the livestock business, many farmers are expected to leave the business.
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