Task: Translation
Input (Japanese): 全国的な開票率73％の段階で、与党オーストラリア労働党は二大政党優先投票で50.7％の得票が確実で、衆議院の73議席を獲得し、過半数に3議席足りないと予想される。
Output (English): With 73% of the nation wide vote counted, the governing Australian Labor Party has been confirmed to have 50.7% of the two party preferred votes, and predicted to win 73 seats in the House of Representatives, 3 short of majority.