() (aux-v) (sl) (contraction of じゃない) isn't it [EDICT]
() (aux-v,v5u) (contraction of ..て or で plus しまう) to do something completely [EDICT]
無い
(ない) (adj-i) (1) (uk) (See 亡い) nonexistent; not being (there); (2) unpossessed; unowned; not had; (3) (See またとない) unique; (4) (as ...ことがない, etc.) indicates negation, inexperience, unnecessariness or impossibility; (aux-adj) (5) (See ない) (after the ren'youkei form of an adjective) not ...; (6) (after the -te form of a verb) to not be...; to have not ...; (P) [EDICT]
利益
(りえき) ผลประโยชน์ [LongdoJP]
(りえき(P);りやく) (n,vs) (1) profit; gains; (2) benefit; advantage; interest (of the public, etc.); (3) (りやく only) grace (of God, Buddha, etc.) (esp. as attained through rightful actions, prayer, adherence to one's faith, etc.); blessing; miracle; (P) [EDICT]
(lì yì, ㄌㄧˋ ㄧˋ) benefit; (in sb's) interest [CE-DICT]
() (prt) (1) (as …たり…たり, after the ren'youkei forms of multiple verbs) -ing and -ing (e.g. "coming and going"); (2) (used adverbially) doing such things as...; (3) (as …たり…たり at sentence-end, after the ren'youkei forms of a repeated verb) expresses a command; (aux-v) (4) (たり only) (arch) (from とあり) (See たる) (after a noun) to be; (5) (たり only) (arch) (from 〜てあり, after the ren'youkei form of a verb) indicates completion or continuation of an action; (P) [EDICT]
() (prt) (1) (fam) marks wh-question (what, where, who); (2) (chn) strengthens one's judgment or conclusion; (P) [EDICT]
() (exp) if it's the case; (P) [EDICT]
() (prt) even [EDICT]
() (suf,prt) and; or; and the like; and so forth; and what not; (P) [EDICT]
() (exp) (1) (See でしょう) seems; I think; I guess; I wonder; I hope; (2) don't you agree?; I thought you'd say that!; (P) [EDICT]