In a word, club management increases worldwide ex-change of sports culture.

总之，俱乐部管理扩大了体育文化的世界性交流。

This essay introduces a way of preparing sodium nitrate from brine by ion ex-change technology.

本文介绍了用离子交换从卤水中制取硝酸钠的方法。

When we spend money, we give it to other people in ex-change for their using their precious time and energy to serve us.

我们花钱，即把钱给别人以换取他们的宝贵时间与精力为我们服务。

The adjustment of ex-change rate should be made on the basis of comprehensively analyzing the macroeconomic effectiveness of the adjustment.

汇率调整的决策应该在对汇率调整的宏观经济效应进行综合分析的基础上进行。