Kamala Harris and Donald Trump are leaving no stone unturned in the final hours before Election Day, when Americans will either choose the first woman president in US history or deliver the Republican an unprecedented comeback likely to rattle the world.
諺語 leaving no stone unturned:不遺餘力、竭盡全力地尋找或解決問題
The police are leaving no stone unturned to find the missing child.
單字 comeback:東山再起、尤其是在經歷失敗或困難之後再次取得成功
The singer made a huge comeback with her new album.
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