- mercado (m) negro, estraperlo (m) (especially Spain/especialmente España) to buy/sell sth on the black market comprar/vender algo en el mercado negro the black market in foreign exchange el mercado negro or (especially Latin America/especialmente América Latina) paralelo de divisas (before noun/delante del nombre) black market goods/cigarettes del mercado negro or (especially Latin America/especialmente América Latina) paralelo
Here is a selection of useful words and phrases you will need in real-life situations while you're visiting Spain and other Spanish-speaking countries...
Most first names in Spanish-speaking countries are those of saints. A person's santo, (also known as onomástico in Latin America and onomástica in Spain) is the saint's day of the saint that they are named for. Children were once usually named for the saint whose day they were born on, but this is less common now.