因为广泛公布产品共同的原产地对这些品牌毫无益处，所以，西方人通常坚持在合同中附上保密协议的条款。

Because wide publicity of the common origin would do those brands little good, the Westerners usually insist on contracts with clauses blocking disclosure.

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尽管有条款303(退税)，任何协议方不应对从协议另一方临时进口进行维修及改进的货物，不论其原产地，收取海关税。

Notwithstanding Article 303 (duty Drawback), no Party shall apply a customs duty to a good, regardless of its origin, imported temporarily from the territory of another Party for repair or alteration.

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该条款要求由商会签发的产地证一式两份，证明货物的原产地是中国。

Certificate of origin in two fold indicating that goods are of Chinese origin issued by Chamber of Commerce.

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