1·If you string commands together, the only evidence of progress is the output that the last command in the series generates.
如果把命令连接在一起，那么只有序列中最后一个命令生成的输出能够反映管道的进度。
2·This event in turn generates one or more actions.
结果事件反过来生成一个或多个动作。
3·Without the printer driver, the commands that the application generates will be printed directly as text, resulting in reams of garbage.
如果没有打印机驱动程序，应用程序生成的命令将被直接打印成文本，从而造成纸张浪费。
4·The default option generates code for the inline function in both the header and body files.
默认的选项是在头文件和实体文件中都为内联函数生成代码。
5·This generates a class file.
这生成一个类文件。