This is the 2737th most frequent Chinese word.
副作用
Side effect.
Here, the term '副作用' (side effects) refers to the unintended effects of the medication.
这种药有一些副作用,比如头痛和恶心。
This medication has some side effects, such as headache and nausea.
In this sentence, '副作用' (side effects) conveys the unintended consequences or effects of using a product.
虽然这个产品的副作用很小,但仍然需要注意。
Although the side effects of this product are minor, attention is still needed.
Here, '副作用' (side effects) metaphorically extends to the unintended consequences of technological advancement.