学校公告明天放假一天。

Xuéxiào gōnggào míngtiān fàngjià yī tiān.

The school announced a one-day holiday tomorrow.

公司发出一则重要公告。

Gōngsī fāchū yī zé zhòngyào gōnggào.

The company issued an important announcement.

公告栏上有最新的通知。

Gōnggào lán shàng yǒu zuìxīn de tōngzhī.

The notice board has the latest updates.