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During the pandemic, universities and research organizations have been eager to tackle the problems through research, but their efforts were hindered by the shortage of such labs, he said.

During last month's meeting between leaders of both countries, the two vowed to deepen the China-Brazil comprehensive strategic partnership.

During the contract period, users of all three operators can only change to more expensive packages, and any termination of the contract shall be subject to liquidation damages.

During his most recent visit to China, a positive atmosphere could be felt, Foster said.

During the past one and a half years, a total of 1,430 dog owners were fined, of whom 122 were deducted 12 points and joined the study of dog-keeping regulations. Thanks to the regulations, complaints about walking dogs without leash also went down by 43 percent in 2017 over 2016.