Besides, I am not familiar with the mass of similar design which have, appeared lately; that is to say I am aware of the idea behind those designs but I am not familiar with the way whereby the inventors hope to carry them out.
另外，我不掌握最近出现的类似设计，也就是说，我知道这些设计背后的想法，但我不了解发明者们要实现它们的方式。