excusar
transitive verb
2 (evitar) [+disgustos] to avoid; prevent
así excusamos disgustos this way we avoid difficulties; podemos excusar lo otro we can forget about the rest of it; we don't have to bother with the rest; excusamos decirle que ... we don't have to tell you that ...; por eso excuso escribirte más largo so I can save myself the trouble of writing at greater length