committed的名词commitment，
没有副词形式，动词形式commit
例句
1.
The hospital has a commitment to provide the best possible medical care.
这家医院承诺要提供最好的医疗服务。
2.
It is an open question how long that commitment can last.
这一承诺能维持多久还不确定。
3.
We want to demonstrate our commitment to human rights.
我们想表明我们对人权的信念。
