通常，这是更有效的(通常是多，效率更高)比单独发送每个字符。

Usually, this is more efficient (often much, much more efficient) than sending each character individually.

youdao

通常，这是更有效的(通常是多，效率更高)比单独发送每个字符。

Usually, this is more efficient (often much, much more efficient) than sending each character individually.

youdao