1.Never alter a trademark or pluralize it or use it in the possessive form (unless the mark itself is possessive).Never use it as a verb or an adjective.
7.While adding an s to things is the way you usually make things plural, sometimes, there are other changes and sometimes you don't even pluralize using an s at the end.
虽然在事物上添加 s 是您通常使事物成为复数方式,但有时还有其他变化,有时您甚至不在末尾使用 s 进行复数化。机翻