xiào yuán yī yuàn yuán qū hé jǐng qū jiē bó chē kě néng miǎn fèi yě kě néng xū yào zhèng jiàn huò dēng jì

校园、医院、园区和景区接驳车可能免费，也可能需要证件或登记。

Shuttle buses on campuses, in hospitals, industrial parks, and scenic areas may be free, or may require ID or registration.