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"Canada, Mexico, the EU and China have already retaliated — or announced plans to retaliate — with billions of dollars in tariffs on US-made products," the US Chamber said, adding that approximately billion worth of US exports will be subject to retaliatory tariffs as of this week.

"China has become a leader for global online charity efforts," he said.

"Cases of families falling into poverty due to marriage are not exceptions in some areas," Han said, adding that such customs have eroded poverty-alleviation efforts by local authorities. "Although farmers are strongly opposed to such practices, they feel it is very difficult not to follow suit," he said.

"China has pursued a path of AIDS prevention and control with Chinese characteristics," she said.

"By providing conveniences to more people, sharing economy separates the ownership and usage of products, which is hard to define in terms of responsibilities of both parties," said Lu Wenhui, a consultant with Aon-COFCO, a Shanghai-based insurance broker.