Like a paperboy who's off the mark...

比如报童投错地方。

To be off the mark, " mark, " means to be wrong - to be incorrect.

To be off the mark，“标记”的意思是错误的——不正确的。

He says, " Well, I think Russ is off the mark to feature our older products" .

他说，“嗯，我认为 Russ 不适合展示我们的旧产品”。

Well, I think Russ is off the mark to feature our older products, rather than our new ones.

Walt：嗯， 我认为 Russ 不适合展示我们的旧产品，而不是我们的新产品。

Walt is saying that Russ's use of the old products from their company in the brochure was " off the mark, " it was a wrong decision.

Walt 说 Russ 在宣传册中使用他们公司的旧产品是“离谱的”，这是一个错误的决定。