沒關系用英語怎么說

1. That's OK!
    沒關系!
    2. That's alright!
    沒關系!
    3. Don't worry about it!
    不用擔心!
    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!