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"By 2023, we expect to see the deployment of hardware and software combinations that together create more trustworthy and secure IoT systems."

"China backs the improvement of inter-Korean ties, the advancement of dialogue between the DPRK and the United States, and denuclearization of the Korean Peninsula," Xi said.

"Chicago and New York City crime numbers are way up ... Shootings up significantly in NYC where people are demanding that @NYGovCuomo & @NYCMayor act now. Federal Government ready, willing and able to help, if asked!" Trump said.

"By introducing green technology, we adhere to the safety standards and environmental protection of the community," Chen said. "We have to respect the local community instead of challenging traditions or cultures, and more importantly, we have to share interests and rewards with them."

"China has achieved an amazing success in improving its business environment over the last two years. And we are hopeful that this reform momentum will continue," he said.