????7?28?? (???? ??)????????,??28???,?????15??????????????6???????????????????

28???8?????,??,????????????????,??????21??????,???????????????????????,???

??,?21?,?????15???????,6??????,?????,?????????????????(?????????????)

????:?? ??“??????”????

?? ??????15???6??? ???????????

????:1???????:????????

2?????

3????????

4?????????????

5????????

????7?28?? (???? ??)????????,??28???,?????15??????????????6???????????????????

28???8?????,??,????????????????,??????21??????,???????????????????????,???

??,?21?,?????15???????,6??????,?????,?????????????????(?????????????)

????:??