1. Hu Jintao, Obama hold phone talks on bilateral ties

2. President Hu Jintao has exchanged views with US President Barack Obama [ba:raek] [ouba:ma] on bilateral ties and climate change on phone conversations Wednesday morning.

3. Obama expressed appreciation over China's contribution to the success of last month's G20 Pittsburgh summit. He says he is looking forward to visiting China in November and discussing issues of mutual concern with the Chinese president. Hu Jintao says China is ready to work with the US to ensure a successful visit by Obama, and further promote the positive relationship between the two countries.G20 Pittsburgh summit

4. On the topic of climate change, President Hu says it's essential any result of December's Copenhagen Conference should embody the basic principles of the UN Framework Convention on Climate Change and the Kyoto Protocol, and the achievements of the Bali Roadmap.

5. G20 summit 20 国集团峰会 The G-20 (more formally, the Group of Twenty Finance Ministers and Central Bank Governors) is a group of finance ministers and central bank governors from 20 economies 例句： President Hu delivered an important speech at the G20 summit. 胡锦涛主席在 20 国峰会上做了重要讲话。 summit “ 最高级会议，峰会 ” 。 G20 的全称是 the Group of Twenty Finance Ministers and Central Bank Governors ， 20 国集团是一个国际经济合作论 坛，于 1999 年 12 月 16 日在德国柏林成立，属于布雷顿森林体系框架内非正式 对话的一种机制，由八国集团和十一个重要新兴工业国家以及欧盟组成。按 照惯例，国际货币基金组织与世界银行列席该组织的会议。 20 国集团的 GDP 总量约占世界的 85% ，人口约 40 亿。 20 国集团的成员国有：美国、中国、欧盟、英国、法国、德国 、俄罗斯、日 本、印度、阿根廷、澳大利亚、巴西、加拿大、印度尼西亚、意大利、韩国、 墨西哥、沙特阿拉伯、南非、土耳其。

6. The G20 summit took place at Pittsburgh's David L. Lawrence Convention Center on September 24–25, 2009.[1] In response to the Global credit crisis, a G20 summit in one year was proposed shortly after the London summit in April 2009. Announced shortly after the G-20 London summit, U.S. President Barack Obama volunteered to host this summit, initially planning to hold it in New York City and coordinating it with the opening of the United Nations General Assembly. However, due to coordination issues, on May 28, 2009, the Obama Administration announced a change of venue to Pittsburgh in order to highlight the city's economic recovery following the collapse of its manufacturing sector in the latter half of the 20th century.G20 summitPittsburghDavid L. Lawrence Convention Center[1]Global credit crisisLondon summitBarack ObamaUnited Nations General AssemblyObama Administration