What can we do to fix things?那現在我們要怎么辦呢？

We would like you to ship back all the goods to us.我們希望您能把整批貨寄送回來。

And we will send you a replacement right now.我們會馬上補寄一批貨過去。

OK. We will do.好，我們照辦。

I don't like to have to bring this up, but we found that-我也不想給你說這些，但我們發覺-

I'm sorry to inform you of this, but we found that-很抱歉通知您，我們發覺-

I have regret to let you know of this, but we found that-很遺憾地讓你知道這些，我們發覺-

I hate to be the bearer of bad news, but we found that-我也不喜歡告訴你不好的消息，我們發覺-

How do you suggest this be handled?你認為該怎么處理呢？