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

1.专家们警，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.

2.我认为，大数精益生产的处方都缺少关键：个精益管理系统来维持它。