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"Democratic Party voters are split," said Thomas Edsall of Columbia University, citing a CBS survey breaking Democratic voters into three roughly equal groups: the most progressive wing; the middle group pushing bread-and-butter concerns like jobs, taxes and moderate healthcare reform; and those Democratic primary voters who describe themselves as moderate to conservative.

"Despite the fact there is still a gap between China's RV rental business and that in Europe and the United States, China's stock of RVs jumped with an annual compound growth rate of 30 percent in the past few years," said Yang Songbai, general manager of SAIC MotorRV Technology Co Ltd.

"Facing the complex and changing international economic situation, the Chinese economy has maintained overall stability, with the quality of development steadily improving, new potential and space unleashed and business environment getting better, making people confident in the future," he said.

"Efforts should also be made to set up multimodal logistics centers and equip them with up-to-date technologies to automate and simplify border, customs and sanitary procedures for goods clearance in order to create an enabling soft environment," Li said.

"Digital media can promote sales based on analysis of audience behaviors and interests," said Shen Hao, a researcher with the State Key Laboratory of Media Convergence and Communication and professor of the School of Journalism of the Communication University of China.