adverse exchange

基本解释

This protects you from adverse exchange rate movements in the future.
这样你就避免了未来时期里边汇率的不理想波动了。
www.ef.com.cn
In the first part, we explain the concept of equilibrium exchange rate, and point out the adverse effects which exchange misalignment will bring to the economy.
第一部分解释了均衡汇率的概念，并指出了汇率失调带给经济的不利影响；
As you said, they can buy the dollars forward to reduce or eliminate the risk of an adverse movement in exchange rates between the Deutsch mark and the US dollar.
您说过，这家公司可以作外汇期货交易购买美元，以降低甚至抵消德国马克与美元之间汇率的不利变化而产生的风险。

On the contrary, Ford's gains came despite a reported adverse exchange.
FORBES: Magazine Article
This quarter, sales are also expected to suffer, registering over 4% loss due to adverse currency exchange rates as the emerging market currencies posted their biggest declines since 1998.
FORBES: P&G Faces A Difficult Earnings Report Amid Weak Macro