Question: nfl常规赛何时开始
Answer: 2019-09-05; 09 05 2019; 2019 september, 05; 05 九月 2019; 2019-09-05; 05-09-2019; 05/09/2019; 2019 九月 05; 09/05/2019; 05 09 2019; 2019 09 05; 09-05-2019