When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.
当你解决一个数学问题时,你不仅得到了答案,还理解了为什么这是答案。
作物的多样性带来农业的韧性。
Your self-worth is determined by you. You don’t have to depend on someone telling you who you are.
The truth is rarely pure and never simple.