A drug with content not up to the National drug Standards is a drug of inferior quality.

药品成份的含量不符合国家药品标准的，为劣药。

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During the past 50 years, the discovery and synthesis of steroid drugs is one of the two remarkable developments in medical industry, which has become the second large drug inferior to antibiotics.

甾体药物的发现及成功合成是近半个世纪来医药工业取得最引人注目的两大进展之一，成为仅次于抗生素的第二大类药物。

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As Dr Goldacre points out, if one drug is even a shade more effective than its competitors, then thousands of people prescribed the inferior ones are dying needlessly every year for want of a bit of simple research.

ECONOMIST: Pick your pill out of a hat