展览会: exhibition, show...
充电: to recharge (a battery), to recharge one's batteries (through leisure), to update one's skills and knowledge...
竞选: to take part in an election, to run for office...
由此看来: by this token...
开明: enlightened, open-minded, enlightenment...
总额: total (amount or value)...
复发: to recur (of a disease), to reappear, to relapse (into a former bad state)...
打电话: to make a telephone call...
便利: convenient, easy, to facilitate...
照相机: camera...
