设计使用权限类别。
For imperative security, use the corresponding permission class.
对于强制性安全，应使用相应的权限类。
Most permission class types have a corresponding PermissionCollection class.
大多数许可权类类型都有一个相应的permissioncollection类。
The implies (Permission p) method of the ResourcePermission class is the key to this framework.
resourcepermission类的implies (Permissionp)方法是这个框架的关键。
But groups need permission to bring a class action, and that can be denied.
但是这些人要进行集体诉讼必须获得批准，该请求可能会被驳回。
Who gave you permission to leave class early?
谁准许你提早离开课堂的？
Who gives you permission to leave class early?
谁准许你提早离开课堂的？
Who give you permission to leave class early?
谁准许你提早离开课堂的？
If you want to leave the class, you should ask for the teacher's permission.
如果你要离开班上，应该得到教员的许可。
If you want to leave the class, you should ask for the teacher's permission.
如果你要离开班上，应该得到教员的许可。
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