When buying insurance, people mistakenly believe that they get what they pay for.买保险时, 人们错误地认为自己买什么就会得到什么。

They mistakenly believed the standard licences they held were sufficient.他们曾经误以为有正规执照就足够了。

The letter had been mistakenly sent to Baltimore's old office.信被误送到巴尔的摩的旧办公室了。