一项新的研究发现，大多数三岁的孩子都能记得很多一年前发生在他们身上的事情，在他们5岁到6岁的时候，这些记忆仍然清晰，但当他们超过7岁时，这些记忆就会迅速变弱。

A new study has found that most three-year-old children can remember a lot of what happened to them a year earlier, and these memories are still clear while they are 5 and 6, but by the time they are over 7, these memories become weaker rapidly.

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如果他们保持利率稳定，美元可能变弱，而商品期货或许迎来一轮上涨。

If their rates are stable, the dollar could weaken, and commodities might get a lift.

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但他们势必会缩减大量采编人员，社会角色也将变弱。

But they will have much smaller reporting staffs and play diminished roles.

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