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valued normal adequate average
where, qualified tender is lacking，or re-invitation fails where the goods or services in question are special in character and can only be procured from a limited number of suppliers where goods or services can be procured from only one supplier where consistency of the items or compatibility of the services procured requires procurement of additional items or services from the same supplier
that satisfy similar needs of the consumer that consumers don’t care where to buy them that consumers spend much time to look for that can be found in nearly every shop
interregional trade is substantial people produce the same or similar goods systems of transportation are slowly improved customers can buy goods directly
value value at are valued are valued at
Diffe-Hellman DES IDEA RSA
Different value Different value of same goods at the different place Different goods Different value of different goods at the same place
that satisfy similar needs of the consumer that consumers don' t care where to buy them that consumers spend much time to look for that can be found in nearly every shop
transit goods transshipment goods through goods import and export goods
that satisfy similar needs of the consumer that consumers don' t care where to buy them that consumers spend much time to look for that can be found in nearly every shop
Bauer和Hill Diffe和Hell Diffe和Bauer Diffe和Hellman
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