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 phone number --
这有电话号码，
What platform does the train leave from?
这班车从哪个站台开出呢？
Although an ocean wave gives the impression of a wall of water moving in your direction,
虽然，海浪给人的印象是一堵由水组成的墙向你压过来，