在这里，大多数人都有名、中间名和姓。

Here most people have a first, middle, and last name.

全名必须是字母. 请在名和姓之间加空格.

Full Name must be in alphabet. Please provide spacing for first name and last name.

将名和姓分开，表示私下和正式场合称呼不同。

Separation of first and last name. The personal with the formal.

这是用户的显示名，而非用户真实的名和姓（除非该用户的真实姓名就是其实际的显示名）。

This is the user's screen name, as opposed to the user's real first and last name (unless the user's real name is, in fact, the screen name).

碧昂丝、阿黛尔、夏奇拉可以只用名来介绍自己。剩下的我们，就要把名和姓都用上——介绍自己时请使用全名。

Beyonce, Adele, Shakira have the whole one name thing covered. The rest of us down here on earth have two names—use them when introducing yourself.