Second, you need to define a class-level variable on the CmdLineParser class as well that defines the actual string value to represent the option. You can do this by adding this line.
然后，还需要在cmdlineparser类上定义一个类级别的变量，定义用于代表选项的实际字符串值。
The pluralism of value option in modern China must start with mans need based on the actual conditions of China.
研究当代中国价值选择多元化问题，必须结合社会现实，从人的需要出发。
Routine X ray film and ct or MRI scanning were the most valuable diagnostic procedures. Option of surgical procedure depends on the actual condition of the disease.
认为常规X线及CT或MRI检查是诊断该病的关键措施，外科治疗应根据病人的情况施以不同的手术。
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