日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
I'd appreciate a good-faith response.
Please make clear where the responsibility lies.
This is clearly on your end, isn't it?
I'd like to resolve this amicably.
Please tell me how you'll prevent it from happening again.
Let's talk before it escalates.
Could you address this promptly?
I'll be filing a formal complaint.
I'm not satisfied, so I'd like an explanation.
Let me get a proper grasp of the situation.
I apologize for the trouble caused by our error.
Could you hear our side too?