下单之后可以直接通过系统concept和写手沟通。因为写手是indigenous speaker，所以沟通时不接受中文，需要用英文沟通。如果在和写手沟通过程中有任何问题，可以直接联系客服。 北美论文代写 Prepared by Paul Calderon As a trained author and a specialist in ebook publishing and finalization, Paul is familiar with how to engage audience in his textual content. As an writer himself, Paul never misses ... https://bookmarkboom.com/story12512431/%E4%BB%A3%E5%86%99research-paper-an-overview