排他性：如果启用，队列只能被声明它的消费者使用。
Exclusivity: if set to true this queue can only be used by the declaring consumer.
水的自然属性决定了水具有使用价值，水资源消费的竞争性和排他性决定了水定价的必要性。
The value in use of water is determined by its natural property, the necessity of water pricing is determined by its competitive and exclusive consumption.
版权(著作权)是准许拥有，生产，出售并许可他人使用艺术作品或智力作品的排他性权利。
A copy right is a grant of an exclusive right to own, produce, sell, and license artistic and intellectual works.
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