《资治通鉴·唐纪·唐纪五十七》
但是，从去年以来，不少地方官吏向朝廷推荐方士，方士之间也相互举荐，以致推荐到朝廷来的方士越来越多。
自去岁以来，所在多荐方士，转相汲引，其数浸繁。
However, since the previous year, many local officials recommended alchemists to the Imperial Court, and the alchemists also recommended each other, and as a result, there were more and more alchemists recommended to the Imperial Court.