For example, one file system may be optimized for speed, another for efficient use of space, and yet another for durability against data loss or corruption.

例如，一种文件系统可能是以提高速度为目的而优化的，另一种文件系统偏重高效地使用空间，还有一种文件系统偏重于防止数据丢失或损坏。

youdao

To tackle all the problems of waste and dirty water, therefore, politicians must concentrate on making public utilities more efficient, weeding out corruption, and cutting subsidies.

ECONOMIST: Clean up��or risk many deaths