a public service providing medical care 公共医疗保健服务 a shortage of labour in the health service 公共医疗卫生系统中人员的缺乏 Federal health policies should ensure the provision of adequate health services. 联邦卫生政策应确保提供适当的卫生服务。 The health service can't provide cosmetic surgery. 公共医疗卫生服务不提供整容手术。