persistence

英 [pə'sɪst(ə)ns] 美[pɚ'sɪstəns]

• n. 持续；固执；存留；坚持不懈；毅力

1. the property of a continuous and connected period of time

2. persistent determination

3. the act of persisting or persevering; continuing or repeating behavior;

"his perseveration continued to the point where it was no longer appropriate"