Preventiveness
n. 预防药；预防法 (preventive的变形)
🗣️ 情景例句
Are you all right?
你还好吗？
Wise men learn by other men's mistakes;fools by their own.
聪明人从旁人的错误中吸取教训，愚笨人则从自身的错误中吸取教训。
What's the meaning of this?
这是什么意思？