变化每时每刻，无处不在。
能源的需求每时每刻每天每年都在变化。
Energy demand changes all throughout the day, all throughout the year.
手表上的三条轨道可以在表面旋转来表示时间，而秒圈则会每时每刻都在变化。
Those three line are rotating around the watch and show the time, while the seconds line is going around all the time.
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