???2??????????????8? (???????????????????????? ??? ??)2???8???????????????????????,?????U??????

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

??,??,??????????????????????,???(?????????????????)

???:?? “??????????”????

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

????:1???????????:51pc·me??

2??????98?

3?????????

4???app????

5?????????

???2??????????????8? (???????????????????????? ??? ??)2???8???????????????????????,?????U??????

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

??,??,??????????????????????,???(?????????????????)

???:??