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Knowledge is the highest wealth of humanity, and sharing knowledge is the greatest generosity.
我们必须始终努力做正确的事,即使这很困难。
适应气候变化对我们行业来说不是威胁,而是重塑自我的机会。
Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
The only limits you have are the ones you set for yourself.