How does Duolingo evaluate effectiveness?

摘要

Duolingo wants their learners to gain the skills they need to communicate in a new language. Here's how they evaluate the app's effectiveness!

欢迎在评论区写下你对这篇文章的看法。

评论

- 위키
Copyright © 2011-2025 iteam. Current version is 2.147.1. UTC+08:00, 2025-11-06 00:11
浙ICP备14020137号-1 $방문자$