▁process ▁is ▁out s our ced ▁or ▁handled ▁by ▁fre el ance ▁transl ators ▁working ▁off - site , ▁the ▁off - site ▁workers ▁require ▁special ▁tools ▁to ▁be ▁able ▁to ▁work ▁with ▁the ▁texts ▁generated ▁by ▁the ▁translation ▁memory ▁manager . ▁ ▁Full ▁versions ▁of ▁many ▁translation ▁memory ▁man agers ▁can ▁cost ▁from ▁US $ 5 0 0 ▁to ▁US $ 2 , 5 0 0 ▁per ▁seat , ▁which ▁can ▁represent ▁a ▁considerable ▁invest ment ▁( although ▁lower ▁cost ▁programs ▁are ▁also ▁available ). ▁However , ▁some ▁developers ▁produce ▁free ▁or ▁low - cost ▁versions ▁of ▁their ▁tools ▁with ▁reduced ▁feature ▁sets ▁that ▁individual ▁transl ators ▁can ▁use ▁to ▁work ▁on ▁projects ▁set ▁up ▁with ▁full ▁versions ▁of ▁those ▁tools . ▁( Note ▁that ▁there ▁are ▁fre ew are ▁and ▁share ware ▁T M ▁packages ▁available , ▁but ▁none ▁of ▁these ▁has ▁yet ▁gained ▁a ▁large ▁market ▁share .) ▁ ▁The ▁costs ▁involved ▁in ▁importing ▁the ▁user ' s ▁past ▁transl ations ▁into ▁the ▁translation ▁memory ▁database , ▁training , ▁as ▁well ▁as ▁any ▁add - on ▁products ▁may ▁also ▁represent ▁a ▁considerable ▁invest ment . ▁ ▁Main ten ance ▁of ▁translation ▁memory ▁databases ▁still ▁tends ▁to ▁be ▁a ▁manual ▁process ▁in ▁most ▁cases , ▁and ▁failure ▁to ▁maintain ▁them ▁can ▁result ▁in ▁significantly ▁decre ased ▁us ability ▁and ▁quality ▁of ▁T M ▁matches . ▁ ▁As ▁stated ▁previously , ▁translation ▁memory ▁man agers ▁may ▁not ▁be ▁suitable ▁for ▁text ▁that ▁la cks ▁internal ▁repet ition ▁or ▁which ▁does ▁not ▁contain