I always like to exchange idea with different people. It is also a way to learn.

我一向主张这种互动交流，因为这也是学习的一种方式。

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In terms of communication, idea exchange sometimes focuses more than solutions, and hereby better mutual understanding about perspectives, principles, praticalities and personalities of each other.

在沟通方面，思想交流有时比解决方案更重要，从而能更好地相互理解对方的观点、原则、实用性和个性。

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During the marriage ceremony, the bride and her would-be husband usually exchange gold rings that represent the idea that their union will continue forever.

在婚礼上，新娘和她未来的丈夫通常会交换金戒指，这金戒指象征着他们的婚姻将永远持续下去。

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In fact, the idea of the stock exchange goes back to the fourteenth century, when in Flanders the first stock exchange called The Bourse was established.

事实上,股票交易所的诞生,可以追溯到14世纪,那时候在佛兰德斯,一个叫做,The Bourse的股票交易所成立了

耶鲁公开课 - 金融市场课程节选

To this end the French have been quietly talking to the Chinese, trying to get the idea of exchange-rate co-ordination on the table.

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The Big Mac Index uses Purchasing Power Parity (PPP) in comparing the price of the ubiquitous Big Mac across countries relative to its price in the USA. PPP refers to the idea that exchange rates across two countries should be equal to the relative price of a basket of goods and services in both countries.

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Notably, prominent investors such as Warren Buffett are not pleased with the idea of an exchange.

FORBES: Magazine Article