narrow resource的用法和樣例：
例句
- Often people treat approval as though it were a severely limited resource.
往往人們把認可當成似乎那是一種極其有限的資源。 - As our knowledge is limited, we always think unconsciously that our body is a resource without being paid for, and we know little about our body before getting illness or death.
也因為，每個人的知識總是有限的，我們無意識地認為，身體是無償使用的資源，對自己生病和死亡之前的身體狀況了解甚少。
