杠杆ETF利用债务来放大他们购买的指数的回报率，对于投资者来说这是非常危险的。
That spells danger for investors in leveraged ETFs, which use debt to magnify the returns of the index they follow.
他补充道，赞比亚将在未来两个月内发放大约100万个经药物处理过的床用蚊帐作为对IDA资助的回报。
He adds Zambia will distribute about 1 million treated bed nets in the next two months thanks to IDA funding.
40年代中期，生产u - 235的工艺从实验室规模到工厂规模的放大系数是1061显然这是个大冒险，不过也收到了大回报。
In the mid 1940s the process to produce uranium - 235 was scaled up from lab to plant with a scale-up factor of 1061. Obviously this is a big risk, but so were the perceived returns.
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