最好我们能先看一下专家的跟踪记录及其言行，看看他的正确比例是多少。
It would be nice if we could look at the experts' track record and look at all their pronouncements to see what percentage were right.
想象一下要是有人在跟踪我们。
让我们跟踪调查一下原油价格下跌对汽油价格的影响，在美国，去年每户人家用于汽油的费用约为2900美元，油价下跌带来的收益等价于每户不到600美元的税收折扣。
Tracking this into gasoline prices, in the US, wher last year some $2,900 per household was spent on gasoline, the windfall would amount to a tax rebate of just under $600 per household.
让我们跟踪调查一下原油价格下跌对汽油价格的影响，在美国，去年每户人家用于汽油的费用约为2900美元，油价下跌带来的收益等价于每户不到600美元的税收折扣。
Tracking this into gasoline prices, in the US, wher last year some $2,900 per household was spent on gasoline, the windfall would amount to a tax rebate of just under $600 per household.
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