Expected errors should not throw, raise, or panic. Instead, they should return an error result. This works differently in every language, but is often a Result type, a union of null and the success value, or an error code. This pattern pushes you toward handling the error, which you should if you want to make your software reliable.
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飞行、升放前款规定的物体非法穿越国（边）境的，处十日以上十五日以下拘留。
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