beneficial [i b#nqf7.ql ]    (¼øÀ§: 6815 - ´ëÇÐ ¼öÁØ)  
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Mean Producing or promoting a favorable result; advantageous.
ÆÄ»ý¾î beneficially  [ºÎ]
beneficialness  [¸í]
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