We were unable to determine whether proper books of account had been kept.

我们不能确定帐薄是否完整保存和记录。

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Seller shall maintain complete and accurate records, books of account, reports and other data necessary for the proper administration of the Agreement on a generally recognized accounting basis.

卖方应保留完整和精确的记录、账册、报表和实施本协议所需的一般公认会计的适当管理的其他数据。

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