Even on overcast days, sunlight is much brighter than standard indoor lighting.

即便在阴天，日光也比普通室内灯光要强。

And the camera does okay in moderate indoor lighting like a bar.

而且相机在酒吧等适度的室内照明下也能正常工作。

Up to now, indoor lighting came from candles, oil lamps, or gas lamps.

到目前为止， 室内照明来自蜡烛、油灯或煤气灯。

Their brains think that it's still the afternoon because of all the light from the phone and other indoor lighting.

由于来自手机和其他室内照明的光线，他们的大脑认为现在仍然是下午。