做大量的读和写的很慢，它们作为一个单一的读一写的时候可能。

Doing loads of reads and writes is very slow, group them as a single read and a single write when possible.

youdao

做大量的读和写的很慢，它们作为一个单一的读一写的时候可能。

Doing loads of reads and writes is very slow, group them as a single read and a single write when possible.

youdao