Windows of Knowledge

Your windows to a clearer world

作者：21ST

良好的用眼习惯让你拥有健康的眼睛。

WE often hear people say that eyes are windows to our souls (心灵). But *what if your “windows” are not clear? June 6 is National Sight Day. The day gives us a chance to know how to protect (保护) our eyes.

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