The long depression in agriculture that began in 1920 impoverished American farmers and caused them to operate at a net capital loss during most of the decade.是什么意思_The long depression in agriculture that began in 1920 impoverished American farmers and caused them to operate at a net capital loss during most of the decade.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句