Some English teachers actively encourage their students to depend on active
voice, while others allow their students to depend on passive voice. What’s the
difference, and why is the difference important
Active voice appears in sentences such as, “The detective discovered that
the manager was a thief.” Passive voice appears in sentences such as, “It was
discovered that the manager was a thief.”
使用主动语态的句子例如“The detective discovered that the manager was a
thief.”（侦探发现经理是小偷），而使用被动语态的句子则是“It was discovered that the manager was a
Why would someone use passive voice in a sentence like that? Because they
want to call the manager a thief, but are afraid to say why!
Passive voice is common in scientific papers, because it lets the writers
avoid using the words
In business writing, sentences make the most sense when the subject comes
first, followed by what the subject is doing. So make sure passive writing is
not reducing the efficiency of your words.