Xī / bù / qū / míng / shì / yī / zhǒng / jiǎn / féi / yào / , / dàn / xiàn / zài / yǐ / jìn / yòng / .

西布曲明是一种减肥药，但现在已禁用。

Sibutramine is a weight-loss drug but has been banned now.