还应该有百万计的太阳能灯提供照明支持，这些灯在晚上发光并在白天再次充电。
These should be backed up with millions of solar lanterns, which shine by night and recharge by day.
“晚上你给该装置充电，当你起床时，血压计就在身边。”他说。
"You charge your device at night and when you wake up, the blood pressure cuff is sitting right there next to it," he said.
控制面板、电池充电指示器和速度计能协助保持不变的走动速度。
The control panel incorporates a battery charge indicator and a speed meter which assists in maintaining a constant walking speed.
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