(?) (?)信(Xin)封(Feng)常(Chang)用(Yong)的(De)书(Shu)写(Xie)格(Ge)式(Shi)有(You)两(Liang)种(Zhong):(?)一(Yi)种(Zhong)是(Shi)收(Shou)寄(Ji)人(Ren)的(De)地(Di)址(Zhi)都(Du)写(Xie)在(Zai)信(Xin)封(Feng)同(Tong)一(Yi)面(Mian);(?)还(Huan)有(You)一(Yi)种(Zhong)是(Shi)将(Jiang)收(Shou)件(Jian)人(Ren)地(Di)址(Zhi)写(Xie)在(Zai)正(Zheng)面(Mian),(?)寄(Ji)件(Jian)人(Ren)地(Di)址(Zhi)写(Xie)在(Zai)背(Bei)面(Mian) 。(?)在(Zai)进(Jin)行(Xing)信(Xin)封(Feng)书(Shu)写(Xie)的(De)过(Guo)程(Cheng)中(Zhong),(?)在(Zai)一(Yi)行(Xing)及(Ji)二(?)行(Xing)中(Zhong),(?)即(Ji)一(Yi)道(Dao)和(He)·(?)·(?)·(?)
