[mass noun]the condition or quality of being adequate or sufficient 充足,足量 ■[in sing.]an adequate amount of something, especially of something essential 充足 a sufficiency of good food. 充足的优质食品。 ■(archaic)self-sufficiency or independence of character, especially of an arrogant or imperious sort (古)自负,自满
语源
late 15th cent. (denoting sufficient means or wealth): from late Latin sufficientia, from the verb sufficere (see suffice)