| 单词 | principal motivation |
| 释义 | principal motivation Retention of staff was again the principal motivation. Times, Sunday Times Probably the principal motivation for migration was economic distress in the homeland. Retrieved from Wikipedia CC BY-SA 3.0 Originally, his principal motivation was to explain the thermodynamics of radiation. Retrieved from Wikipedia CC BY-SA 3.0 Generally, their principal motivations are on the order of pedagogy, culture, and their idea of respecting freedom. Retrieved from Wikipedia CC BY-SA 3.0 |
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