1 sentence

1. 在正式场合，使用恰当的称谓非常重要。

   zài zhèng​shì chǎng​hé, shǐ​yòng qià​dàng de chēng​wèi fēi​cháng zhòng​yào.

   In formal settings, it is very important to use the appropriate titles.

   Source: Dong Chinese Dictionary