betterment [i b3tqRmqnt ]    (¼øÀ§: 13068 - ´ëÁ¹ ¼öÁØ)  
¶æ ¸í) °³·®, °³¼±; Çâ»ó, Ãâ¼¼
Mean An improvement over what has been the case.
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