Multi-tenancy: applications supporting different business units or regional offices can be delivered cost-effectively from a single location.
多租户：支持不同业务单位或地区办公室的应用可以从单一位置交付成本效益。
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There are different design considerations for multi-tenancy, but the critical one which can be tackled without code refactoring is addressing single vs. separate storage for different tenants.