1. That's OK!
    沒關(guān)系!
    2. That's alright!
    沒關(guān)系!
    3. Don't worry about it!
    不用擔(dān)心!
    4. It's nothing!
    沒什么!
    5. Never mind!
    別放在心上!
    6. It doesn't matter!
    無所謂!
    7. No problem!
    沒問題!