to have a part in something
tener un papel en algo (tener un papel en algo)
"Everyone played a role in making the show successful."
"Todos desempeñaron un papel en hacer que el espectáculo fuera un éxito." (todos desempenaron un papel en acer ke el espetaculo fuera un exito)
to waste money on something useless
to make a bad situation seem better by dealing with it calml...
To build a company using only personal finances.
to cry a lot due to sadness
competition among companies or nations to lead in AI develop...
to be free from blame or responsibility for something