Your head should be up, your back straight, and shoulders level.

你的头应该抬起来，你的背部笔直，肩膀水平。

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But he also suggests that most of these revenues should be handed straight back to America's poorer workers, in the form of tax breaks.

但同时他建议大部分由此而得的财政收入应该以减税的形式直接拨给美国更为贫穷的工人。

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Your body should be straight up in the water; don't lean forward much or hunch over. Keep your shoulders back and look straight ahead.

你的身体在水中应该保持正直，挺胸、目视前方，不要过度前倾或伛偻。

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