Its study says residents of New Delhi, the Indian capital, could expect to live as many as 10 years longer if the pollution were reduced to U.N. guideline levels.

研究表明，如果印度首都新德里的污染水平降低到联合国规定的水平，其居民寿命将会延长10年。

The perception of this polluted air can trigger annoyance as well as irritative responses or even be associated with general symptoms and behavioral changes well below established guideline levels.

接触这些污染过了的空气会导致激惹反映和烦躁现象，甚至即使在低于既定标准水平的情况下，也造成一些全身症状和行为变化。