British economist and logician who codeveloped the marginal utility theory(published1886), which explains the value of goods and services in terms of the subjective valuation of consumers.是什么意思_British economist and logician who codeveloped the marginal utility theory(published1886), which explains the value of goods and services in terms of the subjective valuation of consumers.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句