jtb 日本交通公社(japan travel bureau)
联合运输委员会(joint transportation board )
牙买加旅游局(jamaica tourist board )
- Although not obtain the knowledge's sufficient conditions, but JTB model can still be saved as a set of necessary conditions.
尽管没有解决“知识”的充分条件问题,但仍然可以将JTB模型作为必要条件保留下来。