It's pretty much the only bright spark among commodities.

这几乎是唯一光明的火花中的商品。

Some bright spark thought the building was on fire and called the fire brigade.

某人自以为是的人以为建筑物起火，就报了火警。

Nora's a bright spark; she found a way of re-using old paper in the copying machine.

娜拉很聪明，她找到了在复印机上重新使用旧纸的办法。

Nora is a bright spark; she found a way of re-using old paper in the copying machine.

娜拉很聪明，她找到了在复印机上旧纸再次使用的办法。

At this point a bright spark came up with the idea to make all crops glyphosate resistant.

这时出现了明亮的一闪念，就是使所有农作物耐草甘膦的想法。