The "First 20 Hours" Needed to Improve English Conversation

I am Tori, an English instructor.When you want to improve your English conversation skills, what kind of study do you do?

Why do AI English conversation voice types differ by app? Reading the three conditions for providing speaker voices from the structure of official voice lists

Some AI English conversation apps allow you to choose the speaker's voice, while others do not.Even in apps where you can ...