英语语法分析

We're looking at gene promoters and what would be their master switch.

我们正在研究基因启动器以及什么会是它们的主开关。

But how to create these brand promoters?

但如何才能创造品牌的推动效果呢？

They make excellent promoters and spokespersons.

他们是优秀的推动者和发言人。