When the first Earth Day took place in 1970, American environmentalists had good reason to feel guilty.
当第一次地球日在1970年举行的时候,美国的环境主义者拥有足够的理由来感到内疚。
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Moreover, if they are brought to a country and found not guilty, they are said to have a right to seek asylum-on the grounds that their home country is an unsafe place to be.