複數 (語法)the English Language, Cambridge University Press, Suffolk, UK, 2002 Curme, George O., A Grammar of the English Language, Volume 1: Parts of Speech, D.C
复杂系统ISSN 1745-2473. doi:10.1038/nphys2819. Majdandzic, Antonio; Braunstein, Lidia A.; Curme, Chester; Vodenska, Irena; Levy-Carciente, Sary; Eugene Stanley, H.; Havlin