他说，他把美中对话叫做“定期高级别会谈”。
S. allies, saying he would describe the new forum as "regular senior-level talks."
这次高级别会谈的目的是要说服伊朗终止其核项目。
The high-powered delegation aims to persuade Iran to end its nuclear program.
他说，他希望这次规模空前的气候会议、高级别的谈判代表以及打破惯例的会议形式能改变气候会谈的进程。
He said he hoped the unprecedented size of the climate meeting, the high level of representation and an unconventional format would transform the talks.
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