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"Compared with traditional brick-and-mortar stores, online stores have a higher trading efficiency," Xu said.

"China's civil aviation industry has seen rapid and healthy development in recent years," Gao said, adding that Boeing has delivered more than 2,000 commercial aircraft to the country.

"Chinese passengers are showing demand in conditions of travel and related services. They increasingly pay attention to privacy and hope not to be disturbed by others, and such demand is stronger in this special period," Yu said.

"China strongly urges the relevant country to take a highly responsible attitude, exercise restraint and earnestly preserve the existing arms control regime in an effort to safeguard global strategic balance and stability, and international and regional peace and security," the envoy said. "This is the shared message from the international community."

"China-Russia ties are mature and stable, and are secure against changes of the external environment," Hua told a daily news conference.