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"China and the US are the top two economies in the world, and our economic cooperation has enormous potential," Ren Faqiang, Chinese deputy consul general in San Francisco, said at the Chinese Night dinner in Las Vegas on Monday.

"China is probably the only country able to host such an event," said Roger Kornberg, a biochemist from the United States who won the Nobel Prize in chemistry in 2006 and addressed the forum via video link. "The challenges of bringing together 137 laureates of various prizes as well as a very large number of other participants and young people is a logistical nightmare and really almost impossible to accomplish. And yet, the leaders of this effort in China have succeeded and done a brilliant job."

"But locals in dispersed villages still rely on township-level delivery service stations and had to drive long distances to pick up their goods," he said, "With the goal accomplished, it will help rural people make the best use of the service in a bid to further facilitate the transportation of local products and boost rural household consumption."

"Carl Wieman's appointment is not only because he is a physics Nobel laureate but also because he has carried out many innovations and brought many changes in education," said Chen Ningyu, general manager of Xueersi Online School.

"But we still need to pay attention to the potential influences and prevent financing difficulties for small business in the second half, as tight financial regulation is expected to continue."