维修成本，是指为恢复机器性能所消耗的物化劳动的货币表现。
错误
暂无解析
Idon’tknow______ashow.Canyoutellme?
Whodoyousupposeistheman____ourteacheristalking?
____isnoreasonfordischargingher.
ProjectHopeisanorganization_____raisesmoneytobuildschoolsandbuybooksforpoorchildren.
Believeitornot,Idontliketheway____hespoketome.
