单一

single / only / sole

surname Shan

bill / list / form / single / only / sole / odd number / CL:個|个[ge4]

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

unique compound

Unicode / also written 統一碼|统一码

(Tw) single sign-on (SSO)

single currency