Use it to enable implicit conversions between a user-defined type and another type, if the conversion is guaranteed not to cause a loss of data.

使用它可启用使用者定义型别和其他型别之间的隐含转换，但前提是要保证转换作业不会导致资料的遗失。

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However, because implicit conversions do not require programmers to explicitly cast from one type to the other, care must be taken to prevent unexpected results.

但是，因为隐式转换不需要程序员将一种类型显式强制转换为另一种类型，所以使用隐式转换时必须格外小心，以免出现意外结果。

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