What does RC mean?

According to your explanation, the RC here means talent, and the whole sentence means that talent is the world now.

Talents refer to people who have certain professional knowledge or skills, can do creative work and make outstanding contributions to society or the collective. He is a laborer with high ability and quality in human resources. Because the letters of talent are R and C respectively, talent can also be abbreviated as RC.

Extended data:

The total number of talents in an enterprise includes management talents, management talents, technical talents and skilled talents.

Management talents refer to the heads of units and departments of enterprises;

Management talents and technical talents are intermediate and above professional and technical qualifications or bachelor degree or above;

Skilled talents refer to those who work in production skill posts, have skill levels above advanced technology or have professional and technical qualifications.

References:

Talent _ Baidu Encyclopedia