负指数指示剂

例句：

1. 1. The weather was very unfavorable for hiking.
   天气对于徒步非常不利。
2. 2. The company's financial performance is generally negative.
   该公司的财务状况普遍不佳。
3. 3.The new policy will have a negative impact on the economy.
   新政策将对经济产生负面影响。