safety policy的用法和樣例：
例句
- Security policy defines several code groups and associates each of them with a set of permissions.
安全策略定義若干代碼組並將每個代碼組與一個許可權集關聯。 - Devising a network security policy can be complex because a rational policy requires an organization to assess the value of information.
設計安全策略是複雜的，因為一個合理的安全策略需要組織去評估信息的價值。
