기억이라

In a sentence

• 어릴 때의 기억이라 잊을 수 없어요.

  It's a memory from my childhood, so I can't forget it.

  In this sentence, '기억이라' introduces a clause explaining that the subject being referred to is a memory from a specific time.

• 소중한 기억이라 소중하게 간직하고 싶어요.

  It's a precious memory, so I want to cherish it dearly.

  Here, '기억이라' specifies that the topic is a precious memory, framing the assertion as a reason or cause.

• 그날의 기억이라 너무 선명하게 남아 있어요.

  It's a memory of that day, so it remains very vivid.

  In this usage, '기억이라' indicates affiliation with a specific context (that day), establishing why it has vividness or importance.