“B. Abstractions should not depend upon details. Details should depend upon abstractions.
“B. Abstractions should not depend upon details. Details should depend upon abstractions.
抽象不应该依赖于细节，细节应该依赖于抽象。
“B. Abstractions should not depend upon details. Details should depend upon abstractions.
抽象不应该依赖于细节，细节应该依赖于抽象。