There was a print statement that wrote to the screen, and an input statement that read from a keyboard, but there was no way to redirect IO to or from a file.
abc里有一个print语句，可以让你在屏幕上输出，还有一个input语句，让你可以从键盘上读入，但是ABC却没有办法可以把IO重定向到文件，或者从文件重定向到IO。
There's no need to print error messages for this case since file descriptors 0 through 2 are only closed if an attacker is trying to subvert your program.
在这种情况下不需要输出错误消息，因为文件描述符0到2只是在攻击者试图去搅乱您的程序的时候才会被关闭。
'Print To file' was selected, but no filename was entered.
指定的输出文件无效。输入其他文件名。
Using HP45 ink cartridges easy to replace cheap no need more maintenance print clearly and compatible with most CAD HP-GL file.
使用惠普hp45号墨盒，更换方便，价格便宜，无须过多保养，打印清楚并与大多HP - GL文件兼容。
Using HP45 ink cartridges, easy to replace, cheap, no need more maintenance, print clearly, and compatible with most CAD HP-GL file.
使用惠普hp45号墨盒，更换方便，价格便宜，无须过多保养，打印清晰，并与大多HP - GL文件兼容。
Using HP45 ink cartridges, easy to replace, cheap, no need more maintenance, print clearly, and compatible with most CAD HP-GL file.
使用惠普hp45号墨盒，更换方便，价格便宜，无须过多保养，打印清晰，并与大多HP - GL文件兼容。
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