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。
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。
应用推荐