保存这个引用是为了加快日后对同一个类的序列化。
This reference is kept to speed up future serialization of the same class.
我们生活在一个多元化的社会，人们不赞同一些价值判断。
We live in a pluralist society, people disagree about the good.
最小化你在同一时间打开的窗口数量。
然后我们便能像网路般形象化这份资料，如同一个社群网路。
And then we can visualize this data like a network, like a social network.
如同一个形象化的注解，外表简单但却意蕴深远。
Like a visual comment, simple in its appearance yet with the potential for further interpretation.
如同一个形象化的注解，外表简单但却意蕴深远。
Like a visual comment, simple in its appearance yet with the potential for further interpretation.
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