pīn / yīn / wén / zì / tōng / cháng / yòng / zì / mǔ / biǎo / shì / yǔ / yīn / ér / bú / shì / zhí / jiē / biǎo / shì / cí / yì拼音文字通常用字母表示语音,而不是直接表示词义。Phonetic writing systems usually use letters to represent sounds rather than directly representing meaning.