After friendly discussions , party a agree to make for party b each month from january , 20 ? ? to december , 20 ? ? approximately 2 , 000 to 3 , 000 dozen ladies ' blouses according to the supplied samples 经友好协商,甲方同意在200 _年1月到200 _年12月期间按所给样品每月向乙方提供2 , 000到3 , 000打女士上衣。