n.灵活性；弹性；适应性；柔韧性
Online education gives students enough flexibility. 网上教育使学生们获得了许多灵活性。
Plan ahead but maintain flexibility. 事前计划，但要保持弹性。
Stability also depends upon the flexibility of the local economy. 稳定还有赖于当地经济的灵活适应性。
n.不屈曲性；顽固；不变性
n.向下弯曲
