Leaving the lights off, he sets his laptop screen to black and the text to gray, so that the darkness is uninterrupted.
他会关掉所有的灯，将笔记本电脑屏幕调整到黑色，将文本设置为灰色，这样黑夜就不会被打断。
There are many screens today, and while the laptop screen may be the most familiar to educators, the mobile handset has a screen which is, in many ways, more vital.
现在大家到处可见各种屏幕，而这其中教育者最熟悉的可能还是电脑屏幕。移动电话也有一个屏幕，很多时候，这个屏幕更加重要。
There are many screens today, and while the laptop screen may be the most familiar to educators, the mobile handset has a screen which is, in many ways, more vital.
现在大家到处可见各种屏幕，而这其中教育者最熟悉的可能还是电脑屏幕。移动电话也有一个屏幕，很多时候，这个屏幕更加重要。
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