1. Elitist= supporting or based on a system in which a small group of people have a lot of advantages and keep the most power and influence
E.g. They claim that it is elitist and a waste of funds.= It would be a poor use of resources because only a minority would use it.
2. aging society, the labour force
E.g. A country's economic development relies on a supply of young workers, but the problem is that the aging society has an adverse impact on the labour force.
3. heavy workload, adequate time
e.g. People with a heavy workload do not have adequate time to rest, which can be harmful to their fitness.