텝스readingpart에서문장첨가부사문제가있더라구요,,아래가앞문장과뒷문장인데요
weprovidetrulyreliablenetworkservicestoensurethatyourcustomersareneverdisconnectedfromyouronlineserversandthatyouroperationrunssmoothly,especiallywhenyouneeditmost.------(alsoorbesides),ourtechinciansareavailabletwenty-fourhoursaday,sevendaysaweek,soyoucancountonustobethereshouldyouexperienceaproblem.

제생각엔둘다게다가라는의미가되는데
답은besides라고하더라구요,
답이besides가될수있는더정확한근거가있다면알려주시면감사하겠습니다..^^