麻烦帮我翻译一下这段话好吗？谢谢！

I have already received three keys from Mr Lau and expressed file.

the following attachment contains all names and numbers,including three new added preserved numbers.

我已收到由刘带过来的三把钥匙和快递过来的文件。
I have already received three keys brought here by Liu and document files by the expres (delivery) .

以下附件为所有的人名及号码，包括新加的三个预留号码。
The following attachments contains all names and numbers,including three new added preserved numbers.

I have already received three keys liu brought here and expressed documents.

The attachment contains all names and numbers, including three newly added preserved numbers.