这个城市的公共交通很方便。

Zhège chéngshì de gōnggòng jiāotōng hěn fāngbiàn.

The public transportation in this city is very convenient.

公共厕所虽然不大，但是很干净。

Gōnggòng cèsuǒ suīrán bú dà, dànshì hěn gānjìng.

The public restroom is not big, but it is very clean.

这里是公共图书馆，大家都可以来借书。

Zhèlǐ shì gōnggòng túshūguǎn, dàjiā dōu kěyǐ lái jièshū.

This is a public library; everyone can come here to borrow books.