I got this letter of authorization that you sent me in email , signed by both mark and Darren, when did u get this letter , can you please tell me.

您发给我的邮件中的由马克和戴伦签字的授权书我已经收到了，能否告诉我您是何时收到该授权书的呢？

youdao

I got this letter of authorization that you sent me in email , signed by both mark and Darren, when did u get this letter , can you please tell me.

您发给我的邮件中的由马克和戴伦签字的授权书我已经收到了，能否告诉我您是何时收到该授权书的呢？

youdao