4.存在问题整改不力，多数问题未予整改。
Looking for a ride in a robotaxi? If you live in Chicago, Illinois and Charlotte, North Carolina, you may be able to ride around your city in an autonomous vehicle in the not so distant future.
，详情可参考快连下载安装
「我意識到會有危險，我意識到我不一定能活著到美國，」關恆說，當時已經把製作好的影片上載到Youtube上，並且已排定好影片的發佈時間，「可以說孤注一擲吧，反正人能不能活著到美國是一回事，但是我這影片是一定要發表。」
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Victoria and Albert Museum