For the sake of peace it is very important that the dialogue between Iran and the west progresses in a more frank and transparent way.

为了和平，伊朗与西方国家以一个更为坦诚透明的方式进行对话是很重要的。

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Introducing transparent objects is for us not only a way of proposing a new object but also a means of transparent behavior and dialogue.

采用透明物体对于艺术家来说，不仅是对新东西的尝试，更是透明的行为和对话的一种方式。

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However, in the letter to Transport Secretary Patrick McLoughlin, Mr Stevens demanded "more transparent and meaningful dialogue with HS2".

BBC: HS2 high-speed rail proposals 'disregard' Warwickshire