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变革的速度要求敏捷性——无论是思维还是行动。
The pace of change demands agility—both in thought and action.
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.
Pleasures, then, and the avoidance of pains, are the ends that the legislator has in view.
你的空间无法扩展是因为我。