其實 ， 「 精神病 」 呢個詞依家已經過時 而且啲人認為無論係咩理由 用 「 行為疾病 」 嚟稱呼會比較政治正確
In fact, the term "mental illness" is now obsolete, and people think that it would be politically correct to refer to it as "behavioral illness" for whatever reason