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"Compared with major crops such as rice, wheat and corn, soybean has much lower yields and requires more land, which is a major reason why it has not been promoted as extensively in China because of limited arable land," Han said.

"China's proposal to explore third-party market cooperation can generate rich financial returns for both developed and developing countries involved in the BRI, without causing a clash of interests," he said.

"Cloud adoption rate is an important parameter for the digital economy," Pony Ma, chairman of Tencent, told a cloud-computing summit in Guangzhou. "It is parallel to using electricity consumption to gauge economic development in the industrial age."

"China's energy resource structure has determined the importance of the clean use of coal," said Wang Limin, deputy director of the economic and information commission of Ordos City.

"China still has a lot of opportunities to develop itself. We have a very big and important business here. We double our business in China every five years or so, and we will continue to invest in the largest cities, while expanding in smaller cities."