error resulting from bad code in some program involved in producing the erroneous result
双语例句
For the inexperienced web designer trying to develop a website that "follows all the rules" can take a long time and a lot of trial &error. 无经验的网站设计者，试图遵循所有设计规则，但往往出现许多设计错误，并且设计时间会很长。
