Operations are stupid and don't understand the new hotness - why can't they implement the cutting edge technology? Why are they so backward?
运维部门比较笨，他们不懂新技术——为什么他们没法实现最新的技术呢？为什么他们这么落伍呢？
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Each edge is actually stored twice: once in the "forward" direction (indexed and partitioned by the source ID) and once in the "backward" direction (indexed and partitioned by the destination ID).
The economy of distressed backward areas has been operated in substituting labor force on the long edge for capital (and technology) on the short edge and over exploiting land resources to the utmost.