再回过头来看上文中的银行示例，我们可以直接访问所有帐户，并且找到属于指定客户的记录，而不必管其帐户属于哪个部门或区域。

Looking back at our bank example above, we could access all the accounts directly and find which ones belong to a specific customer regardless of which branch or region the account belongs to.

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例如，一家大型银行可能按区域、部门和帐户来划分单元。

For example, a large bank may divide its units by regions, branches, and accounts.

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这些帐户可能位于同一金融机构的不同部门，或者可能位于不同机构中。

These accounts may be in different branches of the same financial institution, or may be in different institutions.

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