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"Energy companies stayed old school for a very long time due to high oil prices - it was easy to make money just doing what they did. The price drop forced them to find innovative ways to make a profit," said Li.
"Every year, second-hand booksellers collect textbooks at a price of about 4,000 yuan a ton, which is more than twice the price of ordinary waste paper, but the number of people who come to collect second-hand books is still few," Zhao Dehua said.
"Everything else has already been tried unsuccessfully. This includes deep trenches, normal or solar-powered fences and even firecrackers," Krishnan said.
"European capital and technology have also contributed a lot to China, and cooperation with China has contributed a lot to European growth. There are synergies between the Belt and Road Initiative and the EU connectivity strategy," Zhang added. "After a journey of over 40 years, China-EU relations have become more mature."
"Efforts have been made in recruiting security agencies, as well as in training and supervising them. Cameras with 24-hour surveillance have been set in tourist resorts, even in the outside archaeological sites," Tekaia noted.
