This lets you efficiently combine several commands to get your text processing jobs done correctly.
这使得您可以有效地将多个命令组合在一起，以正确地完成文本处理工作。
A good manager never lets his subordinates get away with saying "we tried this and that, but it did not work so I don't know what to do" because there is ALWAYS something that can be done.
一个好的经理从来不允许他的下属说“我们尝试过这样那样的方法，但都没有用，所以我也不知道怎样去做了”，因为总有事情可以做到。
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