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