1N-COUNT 副産品 A by-product is something which is produced during the manufacture or processing of another product. 副産品
The raw material for the tyre is a by-product of petrol refining. [+ of]
制造輪胎的原材料是提煉汽油時産生的一種副産品。
2N-COUNT 附帶産生的結果 Something that is a by-product of an event or situation happens as a result of it, although it is usually not expected or planned. 附帶産生的結果
A by-product of their meeting was the release of these fourteen men. [+ of]