Definition: A sophisticated machine or system is very advanced and works in a clever way. Level: B2
我们需要一个复杂的策略来应对气候变化。
We need a ___sophisticated strategy to address climate change.
现代智能手机是高度复杂的设备。
Modern smartphones are highly ___sophisticated devices.
如今，我们依赖像电脑这样的复杂设备。
Nowadays, we rely on ___sophisticated equipment like computers.
