单词cast-in-stone
"There is a feeling that unemployment rates twice the level in the west are cast in stone, " she said.
“人们有一种感觉，失业率为西德两倍是无法改变的事实，”她表示。
They try to account for compounding factors, but their forecasts are by no means cast in stone.
他们设法考虑到复杂化的因素，但是他们的预报决不是完全确定的。
Please note that the order of these steps is not cast in stone.
请注意这些步骤的次序不是一成不变的。
It is important to point out that the procedures documented in the Quality Manual are not cast in stone.
我们必须指出重要的一点，就是所有列于质素手册上的程序，不是铁定不改的。