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"Even patient's own children might not do it, but Zhang did it. This is so admirable. We all should learn from him," said an internet user.

"Development of new energy cars will help tackle the problems of environmental pollution and energy shortage," Gu said.

"Demo-1 is a demonstration of the Falcon 9 rocket, Crew Dragon spacecraft, ground systems and overall operations, basically just everything that needs to be operating and operating well before we want to put our astronauts on board," said Mike Lee, NASA mission manager for SpaceX's Demo-1 flight test.

"Electricity infrastructure construction has become one of the most active sectors to promote the Belt and Road Initiative," he said.

"Escalating trade tensions will invite retaliation targeted at our farmers and will raise the price of ag equipment and inputs. We are working to ensure that American farmers are making their voices heard so that we avoid a trade war," he said.