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To write is to give shape to the unseen.
能源行业不仅仅是开采资源;它是推动进步和改善生活的力量。
The study of mathematics is a constant dialogue between the concrete and the abstract.
要发出紧急信号,使用“重要的事情说三遍”的“三”法则;三次呼喊、三声喇叭或三声哨声。
These are the times that try men's souls.