Indispensible
不可或缺
🗣️ 情景例句
Did she say why she had to leave today?
她说了她为什么今天非走不可吗？
I am on top of the world.
我高兴到了极点。
After all, you have nothing to lose if you are honest and a good worker.
如果你品质诚实，干活好，毕竟你没有什么东西可失去的。