?? ?? ???2.42????????????
????:1??????????:51??app????
2?????????
3?????????
4???????
5????
????6???13????????? ?,?????????12??,???,?(G7)????????2.42?????
?,????“(????)?????????????????????,??”?
??????,?????????????,???????“???????????”????“?????????????”?
?????????????????,???,?????????????????????127??????????????????????????
G7??13????????15??? ????:????