to discard something that is no longer useful
descartar algo que ya no es útil (descartar algo que ya no es útil)
"Don’t throw away plastic bottles—recycle them instead."
"No tires las botellas de plástico, recíclalas en su lugar." (No **tires** las botellas de plástico, recíclalas en su lugar.)
to take someone’s place temporarily
to stop discussions or negotiations suddenly
to search through different places to find something
when rain or storm delays or does not start immediately
to give something from one generation to the next
to contact an organization in writing regarding something