这点造成了大家在图书馆或书店找某个作者的书或找某一个歌手的CD时，会有些不同。
This makes a difference if you "re looking for a book by a certain author in a library or a bookstore or a CD by a particular singer."
某一变量的特定值，由操作系统主动指定并持续有效，除非操作者取消它或使它无效。
Computer Science A particular value for a variable that is assigned automatically by an operating system and remains in effect unless canceled or overridden by the operator.
应用推荐