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Sustainability is not a choice anymore; it's a necessity for survival in today's world.
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
"In the end, we will remember not the words of our enemies, but the silence of our friends."
The only way to understand another person's reality is to experience it yourself.
解释:德行不够优良的人,难以有崇高的信念与理想。才能不够突出的人,难以有渊博的知识和见解。