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When public speaking, pause frequently. Pause before you say something in a new way, pause after you have said something you believe is important, and pause as a relief to let listeners absorb details.
数学和计算机科学之间的相互作用是深刻而美丽结果的丰富源泉。
The only time success comes before work is in the dictionary.
真相往往隐藏在显而易见之处。