liáng yào
good medicine
panacea
fig. a good solution
a good remedy (e.g. to a social problem)
Liáng shū
History of Liang of the Southern Dynasties, eighth of the 24 dynastic histories 二十四史[Er4 shi2 si4 Shi3], compiled by Yao Silian 姚思廉[Yao2 Si1 lian2] in 636 during Tang dynasty, 56 scrolls