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As cities such as Beijing and Shanghai upgrade their functions and address "big-city diseases", the waste produced by construction and demolition projects is expected to grow.

As a result, Europe now is a leading player, producing more than one-fourth of the world's industrial robots and is home to three of the world's largest producers of industrial robots, said Gambardella.

As a major global investment destination, China has maintained stable growth in foreign direct investment against a gloomy global setting. Its FDI grew by 3 percent year-on-year to 5 billion in 2018, while the figures for the world as a whole and developed countries dropped 41 percent and 69 percent, respectively, in the first half of last year, said Zhong.

As a financial journalist whose beat includes the monetary system and the central bank, I find the phrase "RMB internationalization" encouraging and confusing at the same time.

As for the rumored valuation of Xiaomi at 0 billion or $ 200 billion, Tiger Brokers researchers said that as Xiaomi had not filed financial statistics for its IPO, it was still too early to tell whether Xiaomi was "expensive" for investors.