Requisite conditions for a firm offer.
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Differences between withdrawal and revocation of an offer.
What is a late acceptance?
What do you think are the inevitable terms in typical international sales contracts?
公民基本权利和义务是宪法的核心内容，体现了宪法的（）和（）。
A. 核心价值
B. 重要地位
C. 具体程序
D. 制宪目的
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