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"Free Q&A sessions provide a public space for users to talk and communicate with each other," Zhou said. "But knowledge payment is a commodity ... a way to satisfy demand for specific services.

"Global trade tensions are escalating, which has weakened external demand and given export-intensive small businesses a shock. The output and order volumes of some export companies have been affected and they face future uncertainties," said the white paper.

"Growth in the September quarter will be weighed down by the lockdown in Victoria, and beyond these continued health concerns, ongoing restrictions and the dialing back of income support will all weigh on the economy," Hunter added.

"For the foreseeable future, although the external environment is complicated and uncertainty remains… new favorable factors are emerging to support further opening-up and a market-oriented regime," Wang said.

"Great friends are bound to have disagreements," Pompeo told reporters after meeting with Jaishankar. "The United States has been clear we seek greater market access and the removal of trade barriers."