书面形式

suǒ yǒu de diàn huà yù dìng bì xū yào yǐ shū miàn xíng shì què rèn

所有的电话预订必须要以书面形式确认。

All telephone reservations must be confirmed in writing.

xū yǐ shū miàn xíng shì tí chū qǐng qiú

须以书面形式提出请求。

You must make your request in writing.

zǒng cái yǐ shū miàn xíng shì pī fù tè jià shēn qǐng

总裁以书面形式批复特价申请。

President in writing to apply for special approval.