necessitate
verb [ T ] formal uk/nəˈses.ɪ.teɪt/ us/nəˈses.ə.teɪt/
使成为必需；使成为必要
to cause something to be needed, or to make something necessary
Reduction in government spending will necessitate further cuts in public services. 削减政府开支必定会使公益服务进一步减少。
[ + -ing verb ] An important meeting necessitates my being in Boston on Friday. 我星期五必须到波士顿去参加一个重要的会议。