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persistence /pəˈsɪstəns/

• 1.
  不可数名词 If you have persistence, you continue to do something even though it is difficult or other people are against it. 坚持不懈; 执著

  例：

  Skill comes only with practice, patience, and persistence.

  只有通过练习、耐心和坚持不懈才能获得技能。

• 2.
  不可数名词 The persistence of something, especially something bad, is the fact of its continuing to exist for a long time. (尤指坏事物的) 持续存在

  例：

  ...an expression of concern at the persistence of inflation and high interest rates.

  …对持续通货膨胀和高利率所表示的关注。