Note that if the code asks to prefetch an already-fetched page, the implemented logic avoids makingunnecessary, redundant calls to the server.
注意,如果代码请求预抓取已经获得的页面,实现的逻辑会避免不必要的服务器调用。
2
It has plenty of USES when you need to move data quickly without requiring additional disk or makingunnecessary demands on your backup infrastructure.
它具有多种用途,当您需要移动数据时,无需额外的磁盘或在备份基础架构中运行不必要的命令。
3
Although he consulted the map as often as he could, sometimes makingunnecessary visits to the bathroom between lessons to search it, he did not once see Malfoy anywhere suspicious.