systems
System in Spanish is sistema, and the plural is sistemas.
sistemas de aprendizaje
dog
afuras is not a spanish word.
It is the Spanish word for "fox".
"quidera" is not a Spanish word.
"Coll" is not a Spanish word.
gaka is not a Spanish word
Indra Sistemas was created in 1993.
The population of Indra Sistemas is 35,730.
The word for "after" in Spanish is "después".
I think what you mean is "What is the Spanish word for let?" because the word "let" is an English word, not Spanish. The Spanish word for "to let" is permitir. "Let me" is "permítame."