Effect
Result, Worth
noun
A turtle shell that is patterned has much more effect and result and worth than a non-patterned turtle shell.
かい
You haven't learned this reading for 甲 yet, so here's a mnemonic to help you:
If you want to know how much you're worth, just take a look at your car (か). Cars are the result of money and hard work. So basically, they say how much you're worth!
努力の甲斐があって、そのニュースレターは廃刊になるのを免れた。
Thanks to his efforts, the newsletter was able to avoid being discontinued.