????:1?????vx:??????

2?????????

3??????????

4?????V

5????app?????

???????????????2??8???????????? 8??11??50?,????????????????????????????17?,?10??30????????????????????2????????????????????,??

??,??????????,??????????,??????????????????????????

???????????,?????,???????

?345?101????????????????????????8??????????26?4?????54??(?????)???????????????????????45??22?(???)??

??????5000????,??????????????????????(???) ????:???