S3 storage is used for storing backup images and log archives for long retention periods.

S3存储用来长期保存备份镜像和日志档案。

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Legal or administrative requirements can demand minimum retention periods in different jurisdictions or sectors.

法规与行政需求可以针对不同的司法体系与部门，要求最低的档案保存期限。

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Statutory or other regulatory requirements may demand minimum retention periods or submission to an authorizing body such as an archival authority or auditors for any necessary approval.

法规或其他规章需求可能会订定最小保存期限或要求将此事交给一个经授权的机构，例如：具认可之档案主管机构或稽核单位。

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These severely curtail the proportion of a bonus that can be paid in cash, insist on deferral periods and retention times for non-cash elements.

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