Usages of eski
Ben dizüstü bilgisayar alacağım, çünkü eskisi kırıldı.
I will buy a laptop because the old one is broken.
Yeni dizüstü bilgisayar eskisiyle eşdeğer.
My new laptop is equivalent to the old one.
Elon.io is an online learning platform
We have an entire course teaching Turkish grammar and vocabulary.