Do not attempt to up-sell or cross-sell until you have fulfilled the first order.
签定原单之前不要试图进行交叉销售或者追加销售。
To sell his first novel the 17-year-old Andersen mass-produced a sales letter offering presumptive buyers his own services as a reader and performer if they would order the book.
为了推销自己的第一部小说，年仅十七岁的安徒生写了许多推销信给可能的买主，表示只要他们愿意订购他的小说，他就会提供阅读和表演服务。
To sell his first novel the 17-year-old Andersen mass-produced a sales letter offering presumptive buyers his own services as a reader and performer if they would order the book.
为了推销自己的第一部小说，年仅十七岁的安徒生写了许多推销信给可能的买主，表示只要他们愿意订购他的小说，他就会提供阅读和表演服务。
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