????:1??????????600:????sn

2??????????

3????????????

4?????

5???????

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

????????????,?????????,?????????????“???????”!??????????????????????,??????????????NPC(????)????????,?????????????????

??????????????«?????????????»????,????????,????????????????,??????????,??????,???,?????????????,????????,?????(????)

??:???????