三七开

ratio seventy to thirty / thirty percent failure, seventy percent success

three / 3

pseudoginseng (Panax pseudoginseng), hemostatic herb

seven / 7

to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format

thirty percent failure, seventy percent success, the official PRC verdict on Mao Zedong