Li doesn't have a patent on photos of the elderly.

李没有老年人照片的专利。

The milk people don't have a patent on simple rhetorical questions!

编牛奶广告的那群人又没为简单反问句申请专利！

Many years later, in the 1970s, people discovered that Darrow may not have actually been the person who invented the game of Monopoly even though he had a patent on it.

许多年后，在 1970 年代，人们发现 Darrow 可能并不是大富翁游戏的发明者， 尽管他拥有该游戏的专利。