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Among the top 10 (most valuable global brands), there are eight American brands and two Chinese brands – Alibaba and Tencent, said Wang. Last year, there were 14 Chinese brands on the list.

America's federal system of government delegates powers to the governors of the 50 states, but the president in theory can use his powers to oversee a coordinated national strategy.

Amazon’s Rekognition software is already in use at several law enforcement agencies, to the consternation of civil rights groups. The ACLU is a vocal critic of the practice, claiming facial recognition amplifies human bias against people of color and women.

American projects in China, for example, have benefited the traditional manufacturing industry elsewhere so that other countries may also participate in the new economy, said Gan.

Among the joint efforts is the newly formed China-Africa Environmental Cooperation Center, based in Nairobi, a promising antipollution project, Liu said.