are good
Drugs are good.
Esas son buenas referencias, ¿no?
Those are good references, aren't they?
— Amigos Intocables (2011)
I think both are good.
Las fronteras abiertas son buenas, en realidad.
Open borders are a good thing, actually.
Algunas personas son buenas hablando y otras, buenas escuchando.
Some people are good at talking, and others are good at listening.
Las vacaciones son buenas para la gente que se aburre durante todo el año.
Holidays are good for people who are bored all year round.
Las cosquillas son buenas para aquellos a quienes les gustan.
Tickling is good for those who like it.