Horses for courses
Definition 1 of 1
Pro Tip 1/3British Origin
The phrase has its origins in the UK, which may not be understood or used by English speakers elsewhere. 
When I used 'horses for courses' in America, they looked confused.
Pro Tip 2/3Not Literal
It's not about actual horses or courses; it's a metaphor for suitability and preference. 
She prefers yoga, he likes running; horses for courses.
Pro Tip 3/3Situational Use
Best used when highlighting the effectiveness of people or things in specific situations. 
Jane's great with numbers, Brian's creative - horses for courses in this project.