????:1??????????:k???????

2??????95?

3?????????

4??????????

5?????????????

?????????????2?????????????19? ??????,??????????,?????App????,?«???????»«????»«App???»????????,??“???”??????????82???????????????????????App(?????????????)?

???????,“?????”???????4?????App?,????????«?????????????????»??,??;“?????”?????78??????????????????App??????????????,??????«???????»????,??????????????????????1????????????,??????????,??????

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

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