Changefulness
不确定性
🗣️ 情景例句
That means fresh eggs and fresh milk.
也就是说会有新鲜的鸡蛋和牛奶。
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。