确认函

dà duō shù bīn guǎn dōu yāo qiú yù dìng fáng jiān de kè rén xiě shū miàn què rèn hán

大多数宾馆都要求预订房间的客人写书面确认函。

Most hotels require confirmation from a prospective guest in writing.

zhè ge xuǎn shǒu shàng wèi shōu dào jìn sài sì zhōu de zhèng shì què rèn hán

这个选手尚未收到禁赛四周的正式确认函。

The player has yet to receive official confirmation of his four-week ban.