Audio company iFi just introduced a new DAC (digital-to-analogue converter) that's both smaller and lighter than its previous model, and only costs $59. The iFi GO Link 2 connects to a smartphone or other audio-playing device over USB-C and can instantly improve the listening experience on wired headphones.
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Speech recognition helps with pronunciation, while offline downloads let you practice mid-flight or during a commute. Progress syncs across phone and desktop, so learning doesn’t depend on one device. Instead of cramming a phrasebook before departure, you build familiarity over time — enough to understand replies, not just deliver rehearsed lines.。爱思助手下载最新版本对此有专业解读
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