如果你尊重纸的特性并相应设计,纸也可以是永久的。
Paper can be permanent if you respect its characteristics and design accordingly.
Marine conservation is not a sacrifice—it’s an investment in our survival.
"When you're fighting for a championship, every point counts."
学习数学的唯一方法就是做数学。
You can't wake a person who is pretending to be asleep.