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As for the risk of filling the celestial body up with junk, she said: "We should perhaps build waste centers on the Moon."

As an important component of the country's emergency response system, maritime search-and-rescue operations have witnessed great leaps.

As a North American country with a population of just 400,000, the Bahamas features the many uninhabited islands in the Caribbean Sea, the world’s only pink beach and a low-tax banking system for both corporations and individuals.

As for the dispute between the International Olympic Committee and the Tokyo 2020 organizers over who will bear extra costs, the IOC at the request of the local organizing committee removed a comment from its website saying Japanese Prime Minister Shinzo Abe "agreed that Japan will continue to cover the costs as it would have done under the terms of the existing agreement for 2020" and changed it into the Japanese government has "reiterated that it stands ready to fulfill its responsibility for hosting a successful Games".

As emerging technologies such as mobile internet, artificial intelligence and additive manufacturing continue to be put into use, as well as the technological and innovative capabilities of emerging economies, the cost of participating in global value chains, especially for small and medium-sized companies, is rapidly declining. Against this background, the vertical specialization led by traditional large multinational corporations has not fully adapted to the new requirements of global economic cooperation. The new global value chains represented by collaborative innovation and, platform-based collaboration, and division of labor are rapidly developing. They will become an important supplement to the traditional value chains.