2017年6月英语四级写作高分句型之后果性

　　2-2 后果性------ 揭示所讨论的问题若不解决, 将产生的严重后果.

　　[1]. We must call for an immediate method , because the current phenomenon of ... , if allowed to proceed, will surely lead to the heavy cost of .......

　　[2]. Obviously , if we ignore/are blind to the problem , there is every chance that .. will be put in danger.