Often I recommend joining a network-marketing company, also called multilevel marketing, if they want to learn sales skills.

我常常提议，如果想学习销售技能，最好进一家网络营销公司，也被称为多级营销公司。

Before that, I was studying for a business degree at the University of Chelsea, and working at a Shoe Shop franchise, where I developed my sales skills.

在此之前，我一直在Chelsea大学学习商务学位，并且在Shoe Shop的一家分公司工作，在那里我培养了我的销售技巧。

Many PCs needed software to run on their systems, but the software developers lacked the money and sales skills to reach hardware manufacturers.

许多 PC 需要软件才能在其系统上运行，但软件开发商缺乏接触硬件制造商的资金和销售技巧。