1. Complying with the law may prove challenging, even if improvements ultimately reduce long-term costs. In addition, 2015 is the deadline for buildings to convert from No. 6 heating oil to No. 4 oil, which is less polluting.
2. China's movie box office revenue rose 13.45 percent in 2017 to more than 55.9 billion yuan (8.6 billion U.S. dollars), with domestic films contributing 53.84 percent to the market, according to the State Administration of Press, Publication, Radio, Film and Television.
4. It has exceeded the average level of 2.08% in the EU, while it still lags behind the 2.4% average ratio for member countries of the Organization for Economic Co-operation and Development, the bureau said.
5. Inside Obama's Chicago campaign headquarters, staffers erupted into cheers and high fives as state after state was called for the president。