and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,
因?yàn)樾l(wèi)生部門的大多數(shù)醫(yī)生都超負(fù)荷工作,所以沒有多少時(shí)間提出一些既費(fèi)時(shí)而又不受人歡迎的忠告,如注意飲食、