Obstacles are necessary for success because in selling, as in all careers of importance, victory comes only after many struggles and countless defeats. ——Og Mandino.

障碍对于成功来说是必要的。因为不论在销售业，还是在其他所有重要的行业中，胜利只会在大量的斗争和数不尽的失败后到来。——奥格曼狄诺。

youdao

Obstacles are necessary for success because in selling, as in all careers of importance, victory comes only after many struggles and countless defeats. ——Og Mandino.

障碍对于成功来说是必要的。因为不论在销售业，还是在其他所有重要的行业中，胜利只会在大量的斗争和数不尽的失败后到来。——奥格曼狄诺。

youdao