This chemical pollution has two sources: the factories which dump polluted water directly into the river and the local community which dumps untreated human wastes into the river.
这种化学污染有两个来源:直接把污水倒进河里的工厂,和把未经处理的人类垃圾倒进河里的本地社区。
Beyond New York's financial advantage, the appeal to Asian buyers includes a large Chinese-speaking community in Manhattan and in the outer boroughs, as well as a lack of suffocating pollution.
抛开金融方面的优势,纽约对亚洲买家的吸引力还在于在曼哈顿和外围的卫星城镇中有一个很大的中文语言社区,另外纽约也没有令人窒息的空气污染问题。
Individual and population are good indicators of environment pollution, and there are still some questions about the guild monitoring and community monitoring.
种群和个体作为指示物种主要是在监测环境污染方面。种团和群落监测仍有很大争议。
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