每天至少晒三十分钟太阳。
Try to get outside in natural sunlight for at least 30 minutes each day.
换一个角度去讲，一秒钟太阳所披收回去的能量皆要逾越人类种族正在其局部历史中所耗益能量的总战。
Put in a different way, the energy the sun emits in one second is greater than the whole amount of energy that the human species has consumed throughout its history!
约5500年前，埃及人发明了太阳钟。
About 5,500 years ago, the Egyptians invented the sun clock.
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