但是一项新的调查显示可降解塑料，尤其是那些快速分解的，正在加剧气候变化。
But a new analysis shows that biodegradable plastics, particularly those that break down fast, are contributing to climate change.
由皮尤研究中心与《时代》周刊联手进行的一项调查强调了对美国家庭快速转变的观念。
A study by the Pew Research Center, in association with Time magazine, highlights rapidly changing notions of the American family.
根据最近的一项调查，只有五成多一点的乘客认为花钱坐火车，物有所值。 有15%的乘客为了应对快速上涨的价格，会考虑搬家。
Just over half of passengers think trains offer value for money; according to one recent survey, around 15% of them would consider abandoning trains or moving house to avoid these steeper fares.
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