兼任的英语怎么说

Concurrently

(v) hold two jobs at once (adj) part-time . doubling

.....i also undertook the position of .....

Use "and" in between.

如果在公司职务兼任，If the company part-time,重点词语解释：如果if; in case; in the event of; supposing that; in the event职务duties; post; job; function; business兼任part-time; hold a concurrent post; part time; pluralism

part-time job

用 cum 这个字 Chairman cum General Manager (Manager Director)