Subject + 兼 + Role A + 和/与 + Role B
The conjunction 兼 (jiān) means "simultaneously" or "and also," used to indicate that a subject holds two roles, titles, or qualities at the same time. It connects two nouns that describe parallel positions or attributes of the same person or thing. This usage is common in formal and professional contexts.
他是我们公司的总经理兼技术总监。
Tā shì wǒmen gōngsī de zǒngjīnglǐ jiān jìshù zǒngjiān.
He is the general manager and also the technical director of our company.
她是老师兼班主任,工作很忙。
Tā shì lǎoshī jiān bānzhǔrèn, gōngzuò hěn máng.
She is both a teacher and a head teacher, so she is very busy.
这家餐厅兼咖啡馆生意特别好。
Zhè jiā cāntīng jiān kāfēiguǎn shēngyi tèbié hǎo.
This restaurant that doubles as a café does especially good business.