The SDR, however, is more like an exchange-traded fund (ETF) than a currency, and is not a viable alternative to the dollar.

但是，特别提款权更像是一种上市交易基金（ETF）而不是一种货币，因此它不是替代美元的一种可行选择。

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Put the same amount of money into an index fund or ETF (exchange traded fund) each month. When the market is expensive, you'll wind up buying fewer shares.

每月定投固定金额的指数基金或etf基金，它的好处是当价格走高的时候你买入的份数会变少，当价格走低的时候，你买入的份数会变多。

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A gold exchange-traded fund (ETF) known as SPDR recently became the largest ETF by value in the world.

最近，一支名为“标准普尔指数存托凭证”(SPDR)的黄金交易所交易基金(etf)成为全世界市值最大的交易所交易基金。

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According to the ETF Finder at ETF Channel, PBR makes up 8.04% of the EGShares Energy GEMS Exchange Traded Fund ETF ( AMEX: OGEM )which is trading up by about 1.2% on the day Friday.

FORBES: Connect

According to the ETF Finder at ETF Channel, PBR makes up 7.98% of the EGShares Energy GEMS Exchange Traded Fund ETF ( AMEX: OGEM )which is trading higher by about 2.4% on the day Friday.

FORBES: Bullish Two Hundred Day Moving Average Cross - PBR

The firm filed a prospectus with the Securities and Exchange Commission (SEC) to offer their Total Return mutual fund as an Exchange Traded Fund (ETF).

FORBES: So Big: PIMCO Files For Total Return ETF