Saing means competitiveness. We know that adding the ber- prefix we convert it to a verb. In this case it becomes to compete.
why di instead of ke?
di == in/at/on (static place) (there is no movement)
ke => to (movement to a place)
Saya di sekolah = I am at school
Saya ke sekolah = I go to school
Duo says it's kita instead of kami for "we". nov2019
Whats the difference again between kita and kami?