Usages of ефективний
Експеримент показав, що наша методика ефективна, і результати були вражаючими.
The experiment showed that our methodology is effective and the results were impressive.
Урок ефективний.
The lesson is effective.
Бізнес отримав високий прибуток завдяки ефективній співпраці.
The business achieved high profit thanks to effective cooperation.
Elon.io is an online learning platform
We have an entire course teaching Ukrainian grammar and vocabulary.