There was no variation observed in antidepressant use by income group.

没有观察到各收入阶层在抗抑郁药使用上的变化。

youdao

However, if the variation points are rampant in the business process model, a more manageable approach is to logically group related features into separate services.

但是，如果可变点在业务流程模型中普遍存在，则更加可管理的方法是将相关功能逻辑地分组到单独的服务中。

youdao

One variation - known as AR-V7, was also prevalent in a select group of patients who had never taken hormone therapy, but whose cancer aggressively regrew after surgery to remove their tumors.

已知的AR-V7变异体也在一组筛选后患者群中高表达，这群患者从未经历内分泌治疗，但其肿瘤在手术切除后复发性强。

youdao

There is tremendous variation in the prevalence and availability of fake drugs within and across countries, according to Kubic, whose group tracks counterfeiting incidents.

CNN: Fighting the growing menace of fake drugs