她主要以对人权的奉献而闻名。

She is known chiefly for her ___commitment to human rights.

我要感谢员工们表现出的这种奉献精神。

I'd like to thank the staff for having shown such ___commitment.

我真的很钦佩你对事业的奉献精神。

I really admire your ___commitment to your career.