Variableness
n. variable（易变的, 多变的, 变化无常的）的变形
✅ 同义词
🗣️ 情景例句
There's a shortcut--if you know it.
假如你识路的话, 有一条近路可走。
We have every reason to cancel the contract because you've failed to fulfil your part of it.
我们完全有理由取消合同，因为你们没有完成应遵守的合同内容，履行合同。
or through hiring it, the total expense can be far less than the cost of hotels.
总费用算起来要比住旅馆开支少得多。