You use highly to indicate that someone has an important position in an organization or set of people.
a highly placed government advisor.
高级政府顾问。
If someone is highly paid, they receive a large salary.
the 30 most highly paid athletes in the world.
世界30位薪酬最高的运动员。
If you think highly of something or someone, you think they are extremely good.
Daphne and Michael thought highly of the school.
达夫妮和迈克尔对那所学校评价很高。