lǎo / shī / tí / xǐng / wǒ / men / sú / zì / kě / yǐ / zài / rì / cháng / jiāo / liú / zhōng / jiàn / dào / dàn / zhèng / shì / xiě / zuò / yīng / shǐ / yòng / guī / fàn / zì

老师提醒我们，俗字可以在日常交流中见到，但正式写作应使用规范字。

The teacher reminded us that nonstandard forms may appear in everyday communication, but standard characters should be used in formal writing.