변화해야

In a sentence

• 우리는 더 나은 세상을 위해 변화해야 한다.

  We must change for a better world.

  The word "변화해야" is used as a verb phrase meaning "must change," indicating necessity and commitment towards improvement.

• 개인적인 목표를 이루기 위해 변화해야 할 필요가 있다.

  To achieve personal goals, there is a need to change.

  Here, "변화해야" expresses the requirement and decision to undergo change, particularly with regard to achieving goals.

• 기후위기를 막기 위해 세계는 빠르게 변화해야 한다.

  The world must change quickly to prevent the climate crisis.

  "변화해야" in this sentence underscores urgency and compulsory transformation needed globally to address climate concerns.