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。

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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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London is not the first to sell memorabilia in order to raise funds towards the cost of putting on the Games.

BBC: Olympic equipment and memorabilia put up for auction

Vivus will at first offer the pill only through mail order, so doctors can't sell it directly, said Dr. Barbara Troupin, Vivus' vice president of scientific communications and risk management.

CNN: FDA approves new diet drug