The phrase "an excellent core" is correct and usable in written English.
It can be used to describe a fundamental quality or characteristic that is outstanding or of high quality.
Example: "The new curriculum has an excellent core that focuses on critical thinking and problem-solving skills."
Alternatives: "a strong foundation" or "a solid basis".
We do, however, have an excellent core of supportive parents who believe in the type of school we are building".
We know it's all going to go Brian Jones in the end, but I Am Love director Luca Guadagnino has cruel fun allowing an excellent core cast (all of whom he has apparently asked to return in his forthcoming remake of Dario Argento's Suspiria) to spiral into ghastly self-destruction.
"Right now we're very focused on creating a an excellent core product," he said.
Indeed, the man who has taken over Walter Smith spent time in South America over the summer checking on targets returned believing that he has an excellent core of players at Ibrox already.
There are resources that help: A friend recommended to me a book by body-image coach Summer Innanen called Body Image Remix, which despite at-times cheesy approaches to self-love (I hate any modality that tries to get me to "workshop" anything), has an excellent core message: Your body does not determine your worth.
In case you have the luck to have an excellent core team of experts and your project was a success, ask the line managers of your experts via email to consider their commitment and efforts for the year-end assessment and include your project sponsor in this communication.
The important outcomes of this research revealed that the hybrid formulations prepared at the center point of the design exhibited an excellent core-shell structure, high entrapment efficiency values, and desired particle sizes.
ETFs work best in large liquid markets where they make excellent core positions.
IGC also gave him access to excellent core facilities and lab space.
The SSgA Emerging Markets Fund and the T. Rowe Price Emerging Markets Stock Fund are both excellent core holdings for diversified exposure to emerging markets.
We have demonstrated that the independence score scale has excellent core psychometric properties, with high internal consistency, and strong hierarchical scale properties [ 13].
