Surrogate exchange rates have their problems too .
替代汇率也有自身的问题。
The work of a surrogate is to give them the essential tools for building healthy and loving relationships .
性伴侣替代师的工作是授与他们建立健康和充满爱的关系的必要方法。
White was determined to make the dollar the sole international currency ; legally a surrogate for gold itself .
怀特决心让美元成为唯一的国际货币，即黄金的合法替代品。
Many medicines are approved on the basis of what scientists call surrogate endpoints , like proof that they lower cholesterol , rather than because they have been shown to reduce the risk of death or disease .
Since 1992 , the fda has granted accelerated approval to drugs based on so-called surrogate endpoints , or initial measures that suggest the drug will make real improvements in patient health .
