Treasure is tesoro in Spanish. wordreference.com
The main dialect spoken in Cuba is Cuban Spanish. It is characterized by a mix of Spanish language influences, including regional accents, African rhythms, and unique vocabulary and expressions specific to the Cuban culture.
In Cuban Spanish, you can say "gracias" to say thank you.
There is no language called cuban. Cuban's speak spanish. In spanish they say Como estas?
You could say, "Soy cubano," which means "I am Cuban". Or you could say "Tu eres cubano" which is "you are Cuban." Another one you could say is "Ella es cubana" which means, "she is Cuban".
In the Caribbean dialect, you can say "sista" to refer to a sister.
In Tagbanua dialect, you can say "Magandang umaga."
In Cuban Spanish, you can say "Hola" to greet someone.
In Scots dialect, you would say "ma ain brither."
In Hausa dialect, you can say thank you by saying "Na gode."
In the Bicol dialect, "Thank you" is "Salamat."
Cuban isn't a language. Spanish is, and its "interminable"
In the Tausug dialect, "mother" is pronounced as "ina."