他们担心的是，很多健康人或老年人服用止痛药阿司匹林时，副作用可能大过潜在的好处。阿司匹林的副作用包括出血性溃疡。

The concern is that aspirin's side effects, which can include bleeding ulcers, might outweigh the potential benefits when taken by many healthy or older people.

youdao

他们担心的是，很多健康人或老年人服用止痛药阿司匹林时，副作用可能大过潜在的好处。阿司匹林的副作用包括出血性溃疡。

The concern is that aspirin's side effects, which can include bleeding ulcers, might outweigh the potential benefits when taken by many healthy or older people.

youdao