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IP : 222.100.14.53  ۾ :    ȸ : 44   ۼ : 24-12-13 16:08:01

쳪 ϰ, ϳ ϴ. . Learning without thought is labor lost; thought without learning is perilous.

۾   йȣ   ڵ  Ʒ ΰħ Ŭ ּ.

Խù ߱ 20~53% ȯ K-н
ڴ 뼭 .
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