borderline curve

例句：

1. 2.
   能力、智力等
2. 3.
   疾病、症状等
3. 1. The borderline case is a situation where the decision is close to being either in or out.
   边缘案例是决策非常接近于在或不在的情况。
4. 2.The patient's condition was at the borderline of recovery and relapse.
   患者的病情处于康复与复发的边缘。
5. 3.The researcher found that the data was at the borderline of statistical significance.
   研究者发现数据处于统计学显著性的临界点。