Variableness
n. variable（易变的, 多变的, 变化无常的）的变形
✅ 同义词
🗣️ 情景例句
It was nice meeting you.
非常高兴遇见你。
That isn't the way the event happened.
这不是事情的真相！
and found our then prevailing primitive state completely uninteresting to their own advanced knowledge.
并且发现我们地球当时普遍存在着的原始状态同他们先进的知识相比是索然无味的。