Hundreds of planes were grounded in Beijing on Monday and several freeways temporarily closed because of heavy smog and poor weather conditions, underscoring the growing cost of Beijing’s chronic air pollution.
周一，由于濃重的霧霾和糟糕的天氣條件，數百架飛機滯留北京，多條高速公路臨時關閉，凸顯出北京長期空氣污染所造成的成本日益升高。
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