The author should write to a contract date.

作者应按照合同日期完成写作。

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The date of "contract for Construction" of a vessel is the date on which the contract to build the vessel is signed between prospective owner and the shipbuilder.

建造合同日期是由预期的船东和船厂之间签署一艘船舶的建造合同日期。

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If prior to the date for performance of the contract it is clear that one of the parties will commit a fundamental breach of contract, the other party may declare the contract avoided.

预期违约如果在履行合同日期之前，明显看出一方当事人将根本违反合同，另一方当事人可以宣告合同无效。

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