持久战

In a sentence

• 我们对抗病毒的斗争是一场持久战。

  Our fight against the virus is a protracted battle.

  In this sentence, 持久战 is used to emphasize the prolonged and ongoing effort required to combat the virus.

• 实施环保措施需要持久战的决心。

  Implementing environmental measures requires the determination of a protracted battle.

  Here, 持久战 highlights the necessity of sustained and determined efforts to achieve long-term environmental goals.

• 学习新语言是一个持久战，但也充满了回报。

  Learning a new language is a protracted battle, but also full of rewards.

  持久战 in this context conveys the idea that mastering a language is a long-term and persistent endeavor, with significant benefits along the way.