More than 200 inventors worldwide displayed their ideas at the 3-day British invention Show that ended Sunday. Many of the inventions are those you never knew you needed.

为期3天的“英国发明展” 18日顺利闭幕，来自世界各地的200多位发明家展示了自己的创意。

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Ships at sea needed the device. Before Marconi's invention, they had no communication until they arrived in port.

航海的舰船需要这种设备，在无线电报发明之前，他们与陆地间没有任何通讯，除非抵达了港口。

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No heating or stirring is needed in using the invention, excellent using effect can be achieved by soaking at room temperature, energy consumption can be reduced remarkably.

本发明使用时不需要加热和搅拌，在室温下浸泡就能达到优异的使用效果，可显著降低能源消耗。

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Malouda brought a fine save from Julio Cesar at his near post, but once again Chelsea were having trouble producing the invention needed to break the deadlock.

BBC: Samuel Eto'o

As businesses and markets grew, additional capital was needed, which was provided by another American invention: locally owned banks.

FORBES: The Small Bank-Small Business Cascade

They didn't drive, because they didn't have any jobs to drive to, and every garage in America was the site of an invention that was so darn beneficial nobody needed anything from the store.

NPR: After The Bailout