For this reason, the passive voice is very common in more formal writing, where the authors want to keep the perpetrator of the action or the speaker distant.

因此，被动语态在正式写作中比较常见，作者想要让进行动作的一方或说话人能产生一种距离感。

youdao

Eh, they also first distinguished the passive words and the initiative words in a formal document.

字关，呃，也区分了，第一次区分那个被动字和主动字，在一个正式文件上。

youdao