Subject + 兼 + Role/Action
As an adverb, 兼 (jiān) indicates that someone does two things or holds two positions concurrently. It emphasizes the idea of "both… and…" or "at the same time." This is a concise and somewhat formal way to express dual roles or simultaneous actions.
他在公司兼做设计和市场推广的工作。
Tā zài gōngsī jiān zuò shèjì hé shìchǎng tuīguǎng de gōngzuò.
He does both design and marketing work at the company.
她兼任两个部门的负责人。
Tā jiānrèn liǎng gè bùmén de fùzérén.
She concurrently serves as the head of two departments.
这个软件兼具实用性和美观性。
Zhège ruǎnjiàn jiānjù shíyòngxìng hé měiguānxìng.
This software combines both practicality and aesthetics.