acritical

1.Experts are warning that acritical fiber deficiency is eminent.

专们警告说，一个纤维缺乏是突出的。

2.I think most prescriptions for Lean Production are missing acritical ingredient:a lean management system to sustain it.

风雨之后不一定都出现彩虹，但彩虹一定都出现在风雨之后。