大多数香水都有数百种成份，很多成份只是添加了“无穷小”的剂量，不存在“科学上相对的”潜在危险。

Most perfumes have hundreds of components, many of which are added in such "infinitesimally small" amounts as to make any potential risk "not scientifically relevant."

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他们说，如果更大规模的研究证实这些结果，高剂量吸入糖皮质激素降低COPD人群发生肺癌的风险中具有潜在作用。

If further larger studies confirm these results, they say high doses of inhaled corticosteroids may play a potential role in reducing the risk of lung cancer among people with COPD.

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然而，病人必须明白药物的剂量和服用频率，食物-药物和药物-药物相互作用，储藏和运输，还有潜在的副作用。

However, patients must understand the medication dosage and frequency, food-drug and drug-drug interactions, storage and handling, and potential side effects.

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