The contract cost is the focus study of the modern economical theory.
契约成本问题一直是现代经济理论关注的焦点。
The construction contract cost is composed of contract price and transaction costs.
工程合同造价由合同价格和交易成本两部分组成。
The construction contract cost is composed of contract price and transaction costs.
工程合同造价由合同价格和交易成本两部分组成。
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