1·Cancellation of a trademark is also known as "Nullity Action" in several Latin American jurisdictions. It can be based in several available absolute grounds.
取消某一商标，因为该商标在许多拉美国家被认为是“无效的”。下面几个是绝对理由。
2·Nullity of Marriage is a social phenomenon commonly exists in reality. It is also a kind of illegal civil relation.
无效婚姻是现实生活中较为普遍的一种社会现象，同时也是一种违法的民事关系。