In line 14, a test case must have a single string parameter constructor that passes the argument to its parent class (TestCase) for the purpose of displaying the test case name in a log.

在第十四行中，为了在日志中显示这个测试用例的名称，一个测试用例必须有一个可以将自变量传递到它的父类(TestCase)的专门的串参数构造器。

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The UNIX design consists of hundreds of function calls (called system calls) covering simple tasks, such as displaying a character string on the screen to setting task priorities.

UNIX 的设计由大量的函数调用（称为系统调用）组成，其中包括一些简单的任务，如在屏幕上显示字符串来设置任务优先级。

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Any seasoned user can reel off a string of examples of how the old Finder has needlessly got in their way - usually by hanging for seconds at a time displaying the spinning beachball of death.

任何经验丰富的用户都可以随口说出一系列旧的搜索功能在他们的使用中是如何的不可或缺-通常一次挂起几秒钟，播放spinning beachball of death。

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