It is still too early to predict the extent of the impact they may have, but all the signs are that they will play a significant role in the future .

现在预测它们会产生多大的影响还为时过早，但所有迹象都表明，它们将在未来发挥重要作用。

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There is still much that they don't know about minerals such as zinc, for instance, including how they are absorbed and all the roles they play in the body.

矿物质仍有许多地方不为科学家们所知，比如说锌，包括它们如何被人体吸收，以及扮演何种角色。

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"They are still going to have a number of people in Iraq and in terms of the role they might continue to play and the training and other kinds of activities like that, " said Gates.

盖茨说：“澳大利亚在伊拉克还会有一些人员，以便发挥他们继续要发挥的作用以及进行训练等活动。

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The only ones that look like they're still in play are basically red states, states that went Republican in the last election.

NPR: Polls Show Obama With Double-Digit Lead

Giovanni Trapatoni's side need to pick up two points from their final qualifiers if they are to clinch a place in the play-offs, with Bulgaria still a threat to their hopes of playing in South Africa next summer.

BBC: Lawrence gets start for Republic