We use their extra free time, mutual exchanges and mutual help.

我们利用自己多出来的课余时间，相互交流，相互帮助。

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In recent years, China and Nebraska have increased mutual exchanges and cooperation.

近年来，中国与内布拉斯加州的交流合作不断增强。

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Master Xue Cheng devoted to promote mutual exchanges and understandings among Buddhists in the three language families of China.

法师积极促进中国佛教三大语系的相互交流；

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Innovations such as mutual funds and electronic exchanges have reduced these costs substantially.

ECONOMIST: Letters | The

Index exchange-traded funds (ETFs) track benchmarks like index mutual funds but trade on exchanges like stocks.

WSJ: You Don't Have to Be Rich to Build Wealth

Perhaps the best way to invest in a small company like Medidep that is not listed on U.S. exchanges is through a mutual fund.

FORBES: Magazine Article