People who are timid to learn.
Concerned about whether the cost of learning can be recouped.
anxiety
When someone assures you it is no longer a lucrative bet.
---
This page is auto-translated from /nishio/学ぶことに臆病な人. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.