Vocabulary

á la par - at the same time
bienes de consumo - consumer goods
atropellar por - to infringe
mercancía - commodity
ciencia - science, wisdom
corto - short, brief
deseoso - wishful, eager
doctrina - doctrine, knowledge
entrega de mercancías - delivery of goods
hidalguía - chivalry, nobleness, gentlemanly principles
oferta y demanda - supply and demand
el inconveniente - inconvenience
principal - principal, chief, leading
quejarse (de) - to complain
responsable - responsible
ufano - proud, full of dignity