Pertaining to the characteristic of having the appearance of a specified thing but not having the capacity to function as such.For example, a dummy character, dummy plug, or a dummy statement.

• 用于修饰或说明如下的特定事物，表面看来具有某种特性，但实际上没有实现这种操作的能力。例如，哑字符，假插头，哑语句。