Pain is not just a sensation; it's a complex biological response that tells us something is wrong.
疼痛不仅仅是一种感觉;它是一种复杂的生物反应,告诉我们某些地方出了问题。
We don't inherit the earth from our ancestors; we borrow it from our children.
The earth gives us its treasures, but it's our duty to give back more than we take.