Experts are warning that acritical fiber deficiency is eminent.

专家们警告说，一个纤维缺乏是突出的。

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

我认为，大多数精益生产的处方都缺少关键要素：一个精益管理系统来维持它。