eye nut

基本解释

But all of that is simple eye candy, we need to get to nuts and bolts.
但所有这一切很简单，视觉效果，我们需要的螺母和螺栓。
Initial design work should focus on components whose dimensions may affect the required designs for other components e. g. eye nuts and rigid strut connecting parts.
初步设计工作应集中在关键元件上，这些关键元件的尺寸将影响其他元件的设计，例如有眼螺母和刚性支柱连接部件。
But Mr Rove also had a rare combination of command of the nuts-and-bolts of politics (he had the best mailing list in Texas) and a sharp eye for his opponent's vulnerabilities.
但是罗夫也有一种杰出的能力，那就是将其对政治细节的掌控（he had the best mailing list in Texas不知何意？）和洞悉对手弱点的锐利之眼强强结合。

Toast the pine nuts in a dry skillet until golden and fragrant (keep an eye on them so they don't burn) and let cool.
NPR: Perfect Pear Tartlets