But no.As in every census, some people just don't reply and illegal immigrants mostly avoid census-takers.

VOA: standard.2010.02.03

Don't remember is a good reply if you're auditioning to be the Attorney General, but it's not such a good reply. Anybody?

如果你是司法部长的话,我忘了是一个很不错的借口,可惜这里不是这样的,谁来回答

耶鲁公开课 - 博弈论课程节选

I've emailed Apple, Netflix and the production company, but I won't hold it against them if they don't reply.

ENGADGET: Editorial: Is that Kevin Spacey behind all those Apple products? (updated)

Don't even hit "reply" to say you're not a customer.

FORBES: Seven Ways To Foil ID Thieves

"I don't know, " was her reply.

BBC: Millie Martin