usable [i j0:zqbl ]    (¼øÀ§: 12991 - ´ëÁ¹ ¼öÁØ)  
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Mean That can be used.
ÆÄ»ý¾î usableness  [¸í]
usably  [ºÎ]
¿¹¹® 1. 2,000 square feet of usable office space (»ç¹«½Ç·Î »ç¿ëµÇ´Â 2,000Æò¹æ ÇÇÆ®ÀÇ °ø°£)
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