较常见的汇率机制转变是由金融市场失衡形成的市场力量所促成，而这些转变往往触发代价沉重的金融危机。
Often financial imbalances create market forces that precipitate a change and, when that happens, the change is often associated with a costly financial crisis.
更重要的是，论坛的存在标志着外交官和其他人员在着手处理争端时方式的转变，而这些会毁灭生命和社会的争端遍布世界各个角落。
More fundamentally, the existence of the forum marks a shift in the way diplomats and others go about trying to solve conflicts that shatter lives and communities in different parts of the world.
亚马逊大约40%的利润来自于媒介——图书、音乐，和电影——而这些东西的形式正在快速向电子数码转变。
About 40 percent of Amazon's revenues comes from media-books, music, and movies-and those formats are rapidly going digital.
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