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The most important single central fact about a free market is that no exchange takes place unless both parties benefit.

I'm not the best singer in the world, but I'm passionate about what I do.

不夠真誠是危險(xiǎn)的，太真誠則絕對是致命的。

The beauty of computer science is in its endless possibilities.

"History is not just facts and dates; it’s the lives of people who lived them."

采礦業(yè)必須在安全、可持續(xù)性和社會責(zé)任方面以身作則。

教育的最高目標(biāo)不是知識，而是行動(dòng)。