Every tree planted today is an investment in a greener tomorrow.
今天种植的每一棵树都是对更绿色明天的投资。
Every mathematical problem has a solution; you just need to find the right perspective.
挑战是伪装的机会，拥抱它们。
El miedo es la única enfermedad incurable.
我不是一个放弃幸福的人。