什么是白板?

“白板” 有很多含义, 包括但不仅限于:

它是一个书写表面, 通常由白色金属板材料制成, 可以反复擦除和写入. 通常用于教学, meeting discussions or personal and family notes. It is similar to a blackboard and must be written with a special whiteboard pen.
It is an Internet slang that refers to the state of knowing almost nothing about a certain technology.
In mahjong, white boards refer to tiles that do not have words or patterns engraved on them.
In some dialects, it has a derogatory meaning, and is usually used to express a person’s dissatisfaction with others, or to describe stupidity and uselessness.
In addition, “blank slate” is also a philosophical term used by the British philosopher Locke.