??11????20?,?????,???????

????????????????????????????????,???“??”???,????????????????????????,?“??50??????????????????????????????????”?

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

??:????

“???????”????

?? ??????????? ??“?????????50?”?

????:1????????:??????200??500

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

3??????

4???777????????

5???????500?4???

??11????20?,?????,???????

????????????????????????????????,???“??”???,????????????????????????,?“??50??????????????????????????????????”?

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

??:????