① Judy Pearsall & Patrick Hanks, eds., The New Oxford Dictionary of English, Oxford: Clarendon Press, 1998, p.447.
②Jean-Claude Girade, “Toward a Politics of Signs,” Telos, No. 20, 1974, p.137.
③ R. S. Schfield, “The Impact of Scarcity and Plenty on Population Change in England,” in R. I. Rotberg and T. K. Rabb, eds., Hunger and History:The Impact of Changing Food Production and Consumption Pattern on Society, Cambridge,Mass: Cambridge University Press, 1983, p.79.