tā / yǒu / yī gè / tóng fù yì mǔ / de / jiě jie / liǎng rén / zài / bù tóng / chéng shì / shēng huó

她有一个同父异母的姐姐，两人在不同城市生活。

She has an older half-sister (same father, different mother), and they live in different cities.