partner

My business partner, Tom, handles the financial accounts while I focus on marketing.

(Chinese) 我的商业伙伴汤姆负责财务账户，而我专注于市场营销。

She introduced her long-term romantic partner to her family during the holiday dinner.

(Chinese) 她在节日晚餐期间将她长期的感情伴侣介绍给了家人。