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

2??????

3?2020?????????

4???????

5????????

?????2??2? ?????????,2?????????????????????2??,??????????10%??

???:?????????????????????2?????????1????????,?????10%????????????????????

????????????????????,???????????????,??????????10%??????????????,????,?????,???,?????????

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

???????????????,?????????????????????????????,????????????????????2019??,??????????????????????,???????,?????????????????????????,??????????

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