核心的;主要的;基本的;内在的

　　essential/chief/crucial/core

　　fundamental/main/key/inborn

　　principal/elementary/primary

　　indispensable/central/vital

　　underlying/inherent/intrinsic/inborn

　　重要的;显著的

　　important/valuable/substantial/big/considerable/

　　critical/crucial/decisive/earnest/exceptional/marked

　　meaningful/momentous/paramount/salient/significant/weighty

　　eminent/influential/outstanding/distinctive/esteemed/grand

　　honored/illustrious/leading/majestic/notable/powerful

　　prominent/remarkable/solid/superior/conspicuous