Britain must be prepared to embark on radical steps, such as the introduction of personal carbon trading, if it is to play a leading role in combating climate change.

英国必须为采取彻底的措施做准备，比如引入个人碳交易——假如它真的能在与气候变化的抗争中起到主导作用的话。

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These iron-rich cells are the most common type of blood cell and they play the leading role in transporting oxygen around the body.

这些富铁细胞是血细胞中最常见的类型，它们在给全身运输氧气的过程中起着主导作用。

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And as a key member of the G8, Japan has and will continue to play a leading and vital role in shaping the future of the international financial architecture.

日本作为8国集团的一个重要会员国，已经并将继续为建设未来的国际金融结构发挥重要作用。

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Aso also pledged to announce details in the summer of how Japan planned to reach its target of cutting carbon emissions by up to 80 percent by 2050 and said the country could play a leading role in the development of greener technologies.

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The United Nations must play a leading role in this effort, filling in the fault lines of the new global era.

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But his character yields the other notable aspect of the film: Foreign media get to play a leading role.

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