This approach is also spaceefficient, because no copy is required (unless all data in the file system is rewritten).
这种方法也是空间有效的，因为无需复制(除非重新写入文件系统中的所有数据)。
2
Angus Mackenzie, Editor-in-Chief, Motor Trend, said, "the cars are shrinking slightly but they're getting more spaceefficient, but definitely fuel efficiency is key."
《汽车趋势》总编辑angus Mac Kenzie说：“汽车有一点点收缩了，但是它们有着更大的有效空间，然而，能耗毫无疑问是重要的。”
3
These papers find that versions of this malloc increasingly rank as simultaneously among the most time - and space-efficient memory allocators available.