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1.The company's strategy has been abruptly changed due to the new regulations.
由于新的法规，公司的战略规划突然改变了。
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2.His career took a sudden turn when he was offered a promotion.
当他被提升时，他的职业生涯突然发生了转变。
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3. The weather suddenly turned cold, and we had to wrap up in our coats.
天气突然变冷了，我们不得不穿上外套。