Indispensableness
n. indispensable的变形
🗣️ 情景例句
you have a meeting with the production staff
要与生产部门人员开会，
We can't make a decision without knowing the facts.
我们不能不知道事实，就作决定。
Her family are all music lovers.
她全家人都是音乐爱好者。