操作界面简单友好

This is well understood. In actual development, we often encounter too many methods defined in this interface, so that sometimes we do not need them all in some implementation classes. Look at the code:It seems that those who are different from their own attributes will always be the same as chickens and ducks.山里姑娘陶九丹命运多舛，其父陶郎中给陈府小少爷治病时，遭二房游月娥陷害，被逼嫁女冲喜，为抗婚与老伴葬身火海。九丹青梅竹马的未婚夫赵建武，为救她滚落山崖，生死不明。九丹寻找建武途中昏倒，被孙母所救并强行将她许配给傻儿子占春，她几番逃跑不果，怀上孙家骨肉。建武为寻九丹误入盐帮，命运一次次阴错阳差地将这对苦命鸳鸯分开。占春妹妹文秀则爱上建武，展开一段神女有意、襄王无情的苦恋。这时，陈府老爷陈天阔因九丹长相酷似死去的恋人萧百合，而与她结下不解之缘。当九丹得知父母遇难真相后，往日恩人变成仇人，建武为报仇几经生死。占春死后，陈天阔为救身陷囹圄的九丹，顶着世俗和家族的压力，将她孤儿寡母强行迎娶进府，九丹终于有了命运的归宿。Hello!Suddenly the captain told us to hide. He saw the raft floating back again. Because the umbrella anchor was placed before, the impact of the current was increased, and the fishing boat drifted forward and caught up with the raft.