undiversified

Undiversified tobacco companies stand to lose if there were a mass migration to smokeless products like Snus.

果有大量鼻烟这样无烟烟草产品流入，一成不变烟草公司将亏损。

Ophthalmology is a compulsory course of clinical medicine for medical college students.The undiversified traditional teaching method results in unsatisfactory teaching effects.

眼科是高等医院校一门临床必修课,传统教手段单一,教效果不尽人意。