Question

广泛的阅读使我受益匪浅。

Answer 1

I benefited a lot from extensive reading.

benefit ……from表示的含义为从．．．．．．受益的含义，a lot修饰动词受益表示很的含义，extensive reading表示广泛阅读的含义，所以本句可翻译为I benefited a lot from extensive reading。