Token Usage: A New Measure of the AI Era
One Topic. Three Levels.
Each level includes Audio, Transcript, Quiz, and Core Vocabulary.
One Topic. Three Levels. Three Perspectives.
Each level includes a Reading Passage, Quiz, and Core Vocabulary.
OPI-Style Speaking Practice.
Guided speaking tasks inspired by the OPI.
机器人检测：如何验证真实环境中的可靠性？
智能农机：如何吸引青年返乡？
个人信息保护：数字时代谁来负责？
