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When we exercise, our bodies release heat.

我们在运动时，身体会释放热量。

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Firstly, according to medical research, when we exercise, our brains release certain chemical substances which bring feelings of happiness and relaxation.

首先，根据医学研究表明，当我们运动的时候，我们的大脑会释放出某种化学物质，这将会让我们更加快乐、放松。

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We do make sure that when we exercise military force we use the right resources, sufficient to get the job done.

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And what I will do is set out comprehensively the differences of the proposals that we've put forward, when we respond formally, to the consultation exercise and we also set out the Bill that will introduce a local income tax.

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If we can help people do more physical exercise - especially when they are at risk of illness or recovering from it - we can cut the number of deaths from conditions like heart disease and stroke.

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