Explicit in example sentence
That sinister expression means that if hospital resources are limited, for example if only one donor heart becomes available for transplant, or if a surgeon has time to operate on only a certain number of patients, American hospitals have an explicit policy of giving preference to younger patients over older patients on the grounds that younger patients are considered more valuable to society because they have more years of life ahead of them, even though the younger patients have fewer years of valuable life experience behind them.