可以从美国自然资源保护委员会的杰克·施密特去年的这些博客评论中看出，美国环保团体在一段时间内有些沮丧。
Frustration among us environmental groups has been building up for some time, evident in these blog comments last year from Jake Schmidt of the National Resources Defence council.
杰克逊的发言人没有立即对此事发表评论。
There was no immediate comment from spokespersons for Jackson.
用户可以上传照片，分享评论和链接，在基于从分享菜谱到迈克尔·杰克逊的各种不同主题的社区页面上进行互动。
Users post photographs, share comments and links, and interact on community pages that have become huge forums based on themes as diverse as recipe-sharing and Michael Jackson.
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