For many years, marathon wisdom has been to include a weekly long run.
多年以来，马拉松的学问都包括周期性的长跑。
He's run the laundry for many years.
他已经经营这家洗衣店好些年了。
This "Magnetic principle" device will, if built right, run for many thousands of years!
这种“磁原则”的装置，如果推倒，执行数千年来能量守恒！也许一切都是可能。
This "Magnetic principle" device will, if built right, run for many thousands of years!
这种“磁原则”的装置，如果推倒，执行数千年来能量守恒！也许一切都是可能。
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