在单驱动的设备上读取所有的数据需要很长时间，写入就更慢了。

This is a long time to read all data on a single drive - and writing is even slower.

youdao

在单驱动的设备上读取所有的数据需要很长时间，写入就更慢了。

This is a long time to read all data on a single drive - and writing is even slower.

youdao