粮农组织估计今年世界小麦的产量在6.46亿吨，虽然比09年的大丰收下降了5个百分点，但由于美国和加拿大有优良的收成，产量记录仍处于历史第三高位。
The FAO estimates world wheat production this year at 646m tonnes, 5% down on 2009’s bumper crop but still the third-highest on record, thanks to excellent harvests in America and Canada.
我估计今年又有好收成。
作物的收成或出售牲口的利润，往往低于他的估计。
The yield of crops or the profits of a cattle sale usually fell bellow his estimate.
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