These bud variations, as they may be named, can be propagated by grafts, offsets, etc. 查尔斯·达尔文.物种起源.
I am aware of the contract-grafts, the franchise-steals, the dirty streets, the bribing and the blackmail, the vice-and-crime partnerships, the Big Business alliances of Tammany Hall. 沃尔特·李普曼.政治序论.