最好适当地使用引用，收尾器与之不同，除了清理本地资源，它在编写得很好的应用程序中基本没用。
Unlike references, which are best used in moderation, finalizers have essentially no use in a well-written application, with the exception of tidying up native resources.
没有人的指令，电脑基本上没用，所以这正是心理学在计算机科学中重要的原因。
A computer isn't much use without a human instructing it, and this is where the psychology is important.
基本的行人安全知识在科技面前都没用，风险太可怕了。
Elemental pedestrian safety knowledge is compromised by technology, and the risks are scary.
应用推荐