???2??14?????????????????? ??????,???????????,?????????????????????????????,????“????????????????????????????”??????????,????????????????????680????????????,??,??????????,?????

???:?? ??“500??600??”

?? ??????????:??????680??????????,???

????:1?500??600??:?????????????

2?????????

3???t???????

4?????????

5??????100??????

???2??14?????????????????? ??????,???????????,?????????????????????????????,????“????????????????????????????”??????????,????????????????????680????????????,??,??????????,?????

???:??