Be indispensible to
对...必不可少, 对...是必需的
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
不可或缺
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
Why should you be sorry?
你何必说对不起呢？
How are you feeling today?
你今天感觉怎么样？
The weather was very cold, and many people were ill.
天气非常冷，很多人生了病。