????:1????????:???????????

2?????????????

3?2021?????

4?????600?????

5????????????

?????????1??????????????????????????????????1??? ???(NBC)?????????,?????????1???1????,??????????????????,???????10???30?????

???:????(NBC)???

?,????,????,“????,????????,???”?

????????,???,??????????

???,????????????,?????????300??????????????????

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