Global diversification thus provides an automatic buffer against a dollar drop, unless the fund managers have hedged the holdings back into U.S. currency.
全球多样化从而对美元下跌提供了一个自动的缓冲,除非基金经理又以美元进行了对冲。
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Next, you set up global variables for the command to be executed, a buffer for response messages, and a hash that will contain the fields from the trigger message (Listing 4).