Manually add exception handling to the TopType methods to ensure only string values that can be converted to booleans are supplied.

向TopType方法中手工添加异常处理代码，保证只能提供可以转化成布尔值的字符串。

youdao

When creating your own exception types, you should add the extra two constructors also.

当创建自己的异常类型时，您还应该另外添加两个构造函数。

youdao

Add staff activities for human decision making and exception handling.

添加用于人工决策和异常处理的成员活动。

youdao

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