????:1?????300?????:???????

2?????????

3?????

4???????

5?????

???????2???21??????? (????????????? ??? ??)??????????????,??????????-??(???????????????“???????????????”)???

??????????????????????????????? ??????? ?

?????????????21??,????,??,??,????????????????????2????????????????20??,??????????????????200????????,??800??????,?900?????

“???????15??????????????!????????,?20%,????????30%?”??????????,????????????????3????????125??

????????????? ?? ???????????????

????,??1838????????????????????????,??22155??????????????????“????”??“????????????”????????

?? ?????????? ??

????????????????,????,?????????????,?????,????????????,??????????????????????????????????????????????????????????????????100??,??6000?,?????????7000????????????????????(???)

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