It was once common to regard Britain as a society with classdistinction.
人们曾经普遍认为英国是一个有阶级差别的社会。
2
Before JPA 2.0, this semantic distinction was represented via corresponding class-level annotations in the persistent-class definition.
在JPA 2.0之前,这种语义区分是通过持久化类定义中的对应类级别注释来表示的。
3
Think of the distinction between public and private class members in many programming languages (and enforced unofficially by the _method convention in Python).