'If we pay players, how far do we go?' Gresson asked pertinently.

“如果我们给乐手付酬，给多少合适？”格雷森进一步问道。

Where had they learned all this, or, more pertinently, why had they remembered it?

他们从哪里了解到所有这些的？或者更确切地说，他们为什么会记得这件事？

I do not see the pertinence of most of this material.

我认为这份材料大部分没什么用。