For Internal Students
The secret sauce is the instruction guide that tells you how to use the MP3s. You listen to a track in the morning, repeat it during a commute, and then use an “audio-only test” track at night where only the gap (the expression) is missing.
The portability of MP3 files allows for "shadowing" (repeating after the speaker) during commutes or exercise, maximizing exposure time. Bridging the Expression Gap nexus english expression dictionary mp3 exclusive