The bans mainly aim to maintain public order and create a good travel environment, Wang noted.
The authorities are looking to technology to solve the problem.
The average price-to-earnings ratio of the 23 companies that have offered the loss-free pledges this month is 85 times, well above the Shenzhen Composite's valuation of 27 times, data compiled by Bloomberg show.
The average wholesale price of 28 key types of vegetables tracked by the government was up 0.2 percent from Monday, while six different types of fruits saw average price up by 1.7 percent.
The baseness of those US politicians inciting criminal acts in the SAR is degrading. The extreme violence has lasted for almost three months, causing serious damage to the economy, Hong Kong society and people's livelihoods, yet still these supposed supporters of freedom of expression and democracy applaud the extremists and rioters for using violence to deny these to the majority of residents in Hong Kong.
The average wholesale price of 30 kinds of vegetables fell 2.9 percent from a week earlier.
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The authorities also called upon major businesses to open up and share their cold storage space and buy the lobsters, he said.
The base's fire chief, Mark Bruce, said passengers were lined up on the plane's wings when first-responders started rescuing them.
The aviation network has been expanded, with 88.5 percent of cities and 76.5 percent of counties now within 100 kilometers of an airport, said Ji Yuan, deputy director of the administration's development and planning department.
The author is a visiting professor on the faculty of law at University of Hong Kong.