zài / zhèng / shì / chǎng / hé / wǒ / men / yīng / bì / miǎn / shǐ / yòng / zhì / zhàng / rén / shì / zhè / lèi / kě / néng / lìng / rén / bù / shì / de / shuō / fǎ在正式场合,我们应避免使用“智障人士”这类可能令人不适的说法。In formal settings, we should avoid expressions like “智障人士” that may make people uncomfortable.