参加问卷调查的所有人中有四分之一没有表示明确意见。

A quarter of all the people surveyed were don't-knows.

《牛津词典》

继加州上诉法院星期四撤销了一个有了明确意见的判决之后，一起针对含有致癌物质烤肉鸡三明治的医疗公益诉讼在继续展开。

A medical non-profit's lawsuit over a carcinogen found in grilled chicken is set to continue, after a California appeals court on Thursday reversed a ruling that would have burned the case to a crisp.

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如果希望在巴西利亚的听证会上亲自发表意见，请在递交原始材料时明确说明。

Please state clearly, at the time of the original submission, if you wish to testify in person at the hearing in Brasilia.

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