repairs and betterment 修理和改良...reserve for betterment and extension 改良和扩充准备...fund for betterment and expansion 改良扩充设备基金...betterment n.改进,改善,(不动产)增值...betterment order 改善(房屋)修缮和扩建通知书...assets betterment 资产增值...betterment tax 改良税...betterment expense 改良费用...
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