????:1????????:?????150??????

2????????

3???????

4??????????

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

?6????????20?? ???(CNN)??,???19??,?737 MAX???????????????,????“??????”,?240????????

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

??????????????,?????????????,????????????????????“??”,??,?????????????

????????????5???,?????2021???,???????????2018???????????????10????????????2019?????????????????????3??????????737 MAX???,????346???????????

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