顾客可以检查销售商经营活动，以保证销售商自我评价的准确性，但没有正式的管理机构。

Customers could inspect vendor operations to assure the accuracy of vendors' self assessments but no formal regulatory body existed.

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检查一下你的工作，以保证它的准确性。

Check your work to insure its accuracy.

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对每一条目皆作了努力以保证本书的准确性和完备性。

Every effort has been made to ensure the accuracy and completeness of this book.

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