Environmental issues have been major public concerns for over a decade, says Anthony Saich of Harvard University, which has conducted polls.

哈佛大学的安东尼·塞挈进行了一项投票调查，称环境问题在过去十年中变成了公众关心的一大问题。

youdao

Environmental issues have been major public concerns for over a decade, says Anthony Saich of Harvard University, which has conducted polls.

哈佛大学的安东尼·塞挈进行了一项投票调查，称环境问题在过去十年中变成了公众关心的一大问题。

youdao