Use computer properly, protect your eyesight and keep youngsters from being shortsighted.
电脑使用适度，保护视力，预防青少年近视眼。
How to Protect Your eyes It is important for everyone to keep good eyesight.
保持好的视力对每个人来说是很重要的。
How to Protect Your eyes It is important for everyone to keep good eyesight.
保持好的视力对每个人来说是很重要的。
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