Companies should protect their intellectual property with patents and trademarks.公司应该通过申请专利和注册商标保护自己的知识产权。Products bearing famous trademarks sell well.标有名牌商标的产品畅销。Pointed arches became one of the trademarks of Muslim architecture and design.尖拱变成了伊斯兰教建筑及设计的一个标志。