Some people start out with good intentions to maintain a regular running habit, but eventually give up after a couple of weeks.

有些人开始的愿望很好，希望保持一个规律的跑步习惯，但是几个礼拜后还是放弃了。

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Some people say that people behave differently when they wear different clothes while others maintain that their true selves are not subject to any external changes.

有的人说人们会因穿着的不同而表现出行为的不同，也有的人说：我就是我，不会因任何外在的变化而变化。

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Keeping a journal works well for some people, but many find it hard to maintain when on the go.

记日记当然是一个很好的习惯，但可能有些时候在旅途中很难坚持下来。

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"I don't think this is going to have that big an effect on either side, whether it's the states who want to maintain their territorial integrity against the aspirations of some of their own indigenous people or, for that matter, movements that want to seek their own independence and freedom."

VOA: special.2010.07.24

The second reason, according to Elaine Hsieh, one of Dr Hellerstein's colleagues, is that cutting just a few calories overall, but feeding intermittently, may be a more feasible eating pattern for some people to maintain than making small reductions each and every day.

ECONOMIST: Longevity

Put simply, the regime needs some people to have a degree of intellectual freedom, in order to more perfectly maintain its dictatorship over everyone else.

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This week, Morning Edition explores some of the conflicts that arise as different groups of people seek to maintain their hold on or to get a hold of more water.

NPR: Struggling over Water: A Series Overview