The system is flexible, allowing two different models to roll off the line in exactly the required numbers.

整个系统非常灵活，可以准确按各自需要的数量，同时装配两个不同的车型。

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The batch file is variable driven, so you can easily change a line or two to make it work on your system.

批处理文件是由变量驱动的，所以可以很容易地修改一两行代码使它在您的系统中运行。

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I once saw an operating system wiped out by a two-line cleanup script that had been working every day for two years.

我曾经看到一个操作系统被一个两年来每天都在运行的两行清理脚本擦除。

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Virgin Trains, which was given the right to run the West Coast line for a further two years while the system is sorted out, is understood to be keen to bid for the new East Coast contract.

BBC: Rail franchising: Ministers to restart process

The bottom line: America has two enterprise systems, a free enterprise system that exists to serve customers, and an oligopoly system that exists to benefit corporations.

FORBES: Why Companies Treat New Customers Better than Old Customers?

The program provides a two-category drug system in an attempt to draw a clear line between therapeutic medications and banned substances in an attempt to keep horsemen from being punished for legal medications that remain in a horse's system before a race.

WSJ: Calif. horse owners want multi-state doping rules