经济学家刘健恒 Kelvin Lau
刘学健
Liu Xuejian
以上为机器翻译结果，长、整句建议使用 人工翻译 。
刘健(音)从初中开始学英语，当时13岁。当时这是一门必修课，他每天都会上英语课。
Liu Jian started learning English while in middle school at age 13. It was a compulsory subject, and he took classes in it every day.
youdao
刘健(音)从初中开始学英语，当时13岁。
Liu Jian started learning English while in middle school at age 13.
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