找到一种植物，[辨别它的确切用途]然后申请专利并制成药物所需要的平均时间是十到十五年，[所以]这是一项长期投资。
Ten to fifteen years is the average time between finding the plant, [identifying its exact use] and patenting it into a drug [so] it is a long-term investment.
美国食品和药物管理局正在研究新的食品标签以帮助消费者辨别健康食品。
The Food and Drug Administration is developing new labels to help consumers identify what is good for them.
药物不良反应或过敏而致的淋巴结病很好辨别。
Lymphadenopathy as an adverse response to drugs and allergies is well recognized.
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