有些身体部位早已因长时间看电脑、睡眠不足、磨牙和姿势不当等承受了很大的压力。

Some of those body parts are already under pressure from long hours at the computer, restless sleep, grinding teeth and poor posture.

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第二，我们不应该长时间盯着书本或者电视和电脑看，我们需要每隔40分钟就休息下，看看远方或者绿色，能缓解我们的眼睛。

Second, we should not stare at the book or the TV and computer in a long time, we need to take a rest every 40minutes, looking at the distance or the green color will ease our eyes.

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尽管电脑屏幕没有辐射，长时间地盯着它看也会造成紧张，从而有损视力。

Even though computer screens don't give off radiation, the strain from staring over long periods of time can cause harm to your vision.

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