But in nineteen seventy-five, JA also began to teach business skills during the school day.

VOA: special.2009.11.27

Oh I forgot. Do any of you follow Ja, ? use a nickname?

我忘了，你们有谁也是这样么，用昵称的？

麻省理工公开课 - 电影哲学课程节选

You can call me Ja, the first syllable.

您可以叫我杰，第一个音节。

麻省理工公开课 - 电影哲学课程节选