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"Efforts have also been devoted to helping them address difficulties in sending children to school, seeing doctors and looking for apartments."

"Different cities will have different standards based on their conditions. Those who fail to meet their air quality improvement targets will be held accountable," Liu added. "In the coming months, we will make every effort to implement all tasks, vigorously reduce the emissions of major air pollutants and ensure the completion of the goal to improve air quality in autumn and winter."

"Definitely. Remember when 16 classmates couldn't go to school last month because they had the flu? This pneumonia-like virus is more dangerous. In 2003, a similar virus called SARS (severe acute respiratory syndrome) broke out in China, infecting thousands and claiming 700 lives globally. You were not born then."

"Didi's intensified overseas efforts, including this fresh fundraising, will no doubt pose a great threat to Uber. Uber's valuation is shrinking due to its operation problems while we witness Didi is ascending in overseas markets through cooperating with local partners," Zhang added. In the past few years, Didi Chuxing has been pushing its overseas presence rapidly with investments in several of Uber's rivals globally, including US-based Lyft, Brazil-based 99, India's Ola, Singapore-headquartered Grab, Estonia's Taxify and Careem in the Middle East. It also ended the battle with Uber in the Chinese market last year by acquiring Uber's local business.

"Everybody believes that their own workers should be first in line" for vaccine doses, said Jeff Levin-Scherz, co-leader of Willis Towers Watson's health management practice.