For the contractor , a bid estimate submitted to the owner either for competitive bidding or negotiation consists of direct construction cost including field supervision , plus a markup to cover general overhead and profits.是什么意思_For the contractor , a bid estimate submitted to the owner either for competitive bidding or negotiation consists of direct construction cost including field supervision , plus a markup to cover general overhead and profits.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句