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"Curiosity has not determined the source of the organic molecules," said Jen Eigenbrode of NASA's Goddard Space Flight Center who is lead author of one of the two new Science papers.
"China's advantage in foreign trade can be found in technology upgrading, brand, quality and services, rather than low prices for the next stage, although developed countries are trying to maintain and enhance their strength in middle and high-end product industries," said Zhang.
"China's economic reforms have paved the way for the nation to create some of the world's leading companies in e-commerce, artificial intelligence, genetic engineering, financial services and biotechnology," she said.
"Congress should not leave Washington for the holiday recess without enacting a much-needed COVID relief package. We look forward to working with Congress and the new Administration in the new year on a more comprehensive COVID relief package," they added.
"Climate change, inadequate governance, insufficient access to technology and an increasing concentration of people living in disaster-prone areas have created a situation that is driving disaster risk upwards, especially in poor and fragile countries," she said. "This poses a critical threat to achieving the United Nations 2030 Agenda and the 17 Sustainable Development Goals."
来源：资阳报