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Sorry for email you back so late.
With reference to your request of (---),I'm working with OO Company to learn the officer responsible for the copyright are on summer holidays. So until next week can I give you an acurate response.
Apologize once again.
Sorry, email you back so late.I'm working with OO company, the company responsible for the copyright of people during the summer holidays, so until next weekend to get back to you. Apologize again.