commitment是什么意思

commitment

[英][k?m?tm?nt][美][k?m?tm?nt]

n.承诺，许诺; 委任，委托; 致力，献身; 承担义务;

复数：commitments

例句:

1.

China made its first firm commitment to cut carbon emissions in 2009.

中国在2009年首次做出削减碳排放量的切实承诺。