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

2????????

3?400?4???????

4????????

5???????

2???????6?????,????

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

??????:“???!??????,????????????????50????????,????????,???”

????

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

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

?????

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