Indispensible
不可或缺
🗣️ 情景例句
It's no secret my wife is expecting a baby.
我老婆快生孩子了，这又不是什么秘密。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
We need this order packed in a special way. We know it is fragile.
这次的货需要特别的包装。 我们知道它容易破碎。