That's why professional societies representing more than 40, 000 scientists wrote a letter to the FDA and EPA offering their expertise.
于是，就有多个专业协会代表4万多名科学家致信FDA和EPA，向他们进言纳贤。
That's why professional societies representing more than 40, 000 scientists wrote a letter to the FDA and EPA offering their expertise.
于是，就有多个专业协会代表4万多名科学家致信FDA和EPA，向他们进言纳贤。
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