家长们正在抱怨教育系统中的严重缺陷。

Parents are complaining of serious ___deficiencies in the education system.

通过研究雨水的影响和处理预期水量的方法，人们可以规划新道路的布局并纠正现有道路的缺陷。

By studying the effects of rain and ways to handle the expected amount of water, one can plan the laying out of the new roads and correct the ___deficiencies in the present ones.

报告强调了安全协议中的一个主要缺陷。

The report highlighted a major ___deficiency in the safety protocol.