policy u-turn的用法和樣例：
例句
- These measures do not herald any remarkable policy shift.
這些舉措并不預示著(zhù)顯著(zhù)的政策轉變。 - Since the United States has made similar demands of Brazil and Iran, an LEU compromise with North Korea would have to be part of a larger policy shift in Washington.
自從美國對巴西和伊朗提出了相同的要求，對于與協(xié)商后朝鮮取得一個(gè)低濃度鈾濃縮計劃的折中方案可能成為美國政府大規模政策轉變的一部分。
