??2?????7???????? (?????????? ????)?????55????,??????????????????????????????????7??????,?????(????????)??1000????,?????????31.1%?

??????,??????????????(?)??????????22????????????????? ????

????????????,??????(?)??????,????22????????????????????????????????????“????????????????”???

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

??,???“???????”???????????????????,????(???)????????,????????????7×24???????,??????,?,?????

?????????,????(????????)????4????????,?85???(??)

?????????????:??? ??“???????”????

?? ????????????????(??)???????

????:1????????:??????100

2???????

3????????150

4?????

5??????

??2?????7???????? (?????????? ????)?????55????,??????????????????????????????????7??????,?????(????????)??1000????,?????????31.1%?

??????,??????????????(?)??????????22????????????????? ????

????????????,??????(?)??????,????22????????????????????????????????????“????????????????”???

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

??,???“???????”???????????????????,????(???)????????,????????????7×24???????,??????,?,?????

?????????,????(????????)????4????????,?85???(??)

?????????????:???