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Combined with unending government budget deficits, loose monetary policies over the past 40 years have put the United States economy into an unsustainable period of more and more extreme booms and busts, stagnant wages, rising inequality and low productivity growth.

Coal is the main energy source in China, accounting for 62 percent of total energy consumption in 2016. China is aiming to reduce the share of coal consumption to less than 58 percent by 2020.

Compared with the surge in e-commerce over the past five years that has averaged 34 percent annually, 2016 showed an obvious fall, indicating China's e-commerce entering a period of steady development, said Nie Linhai, inspector at the Department of Electronic Commerce and Information of the Ministry of Commerce.

Colbert blasts Amazon

Companies that provide online training for their employees before resuming operation will be able to receive government subsidies, and workers who obtain certificates after completing online training will be eligible for allowances.