The "Trading" part of S&T has been explained here. What about the "Sales" part?

[Mr_Payne]

<p>

You are as good as your client list.

Maybe you could go into a little bit more detail about this point for the younger people. It’s quite possible their only exposure to “selling” is in retail or the like.</p>

<p>How does one develop a client list? Etc.</p>