The solution, many now believe, is to fit electric and hybrid cars with external sound systems.

许多人认为，想要解决这个问题，就给电动和混合型汽车安装上外部声音系统。

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People have come to understand that hybrid technology is not the only solution.

人们已经开始明白，混合技术并不是唯一的解决方案。

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One solution which researchers are exploring is to build cars using a hybrid material: a carbon composite that is also capable of storing electrical energy.

研究者正在探索的其中一种解决办法是利用复合材料制造车体：一种可以同时储存电能的复合碳。

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The solution to these problems may lie in hybrid airships that are aerodynamically shaped to generate part of their lift as a conventional wing does.

ECONOMIST: Monitor

Sensitive to WAP's drawbacks, In-Fusio has developed a hybrid solution.

CNN: The Game's the Thing?

For Washington-based architect and urbanist, Howard Decker, buildings like Linked Hybrid form part of the problem and not the solution, although he applauds the efforts to "green-up" the project.

CNN: Beijing embraces Brave New World of buildings