1.Closures have another huge advantage: they make it easy to enforce policy.
闭包还有一项重大的优势：让实施策略变得容易。
2.Rules engines are often used to implement and enforce policy "decisions" in an operational runtime environment.
常常使用规则引擎在操作运行时环境中实现和实施策略“决策”。
3.Whether the EU will in future detect such problems sooner and enforce policy changes to avoid them remains to be seen.
欧盟将来能否更快地发现这些问题，并强制政策调整以避免这些问题仍有待观察。
4.Roles are often used in financial or business applications to enforce policy.
在财务或商务应用程序中经常使用角色来强制策略。