To them, exclusive content deals are another big step away from an online world with few borders, where everybody plays according to the same rules.
对他们来说，独家内容协议向几乎没有边界、每个人依照同样的规则行事的网络世界的反方向跨了一大步。
2
It allows you to use different rules from different levels, the rules themselves being mutually exclusive of one another.
当启用该级别时，可以使用来自不同级别的不同规则，这些规则本身是互斥的。
3
A more powerful tool is exclusive states, in which only rules matching the exclusive state can be matched (this is not supported in all versions of lex, but should be available in anything modern).