英语词汇preparatory cost是什么意思，preparatory cost的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	preparatory cost
释义	preparatory cost　【经】准备成本, 预备成本
随便看	difference value difference-differential equation differences differences differences differences differencing differencing differencing check different different different different different angle different as chalk and cheese different brackets different character different ethnic group Different First Page different first page different from different from different from different kinds different kinds

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