The hot and wet weather in the south makes southern Chinese buy just enough food for one meal or one day, or else the food may go bad.

南方炎热潮湿的天气使得南方人买的食物只够吃一顿或一天，否则食物可能会变质。

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With patience and the blessings of modern technology, Rima may one day learn more about her father (terrific!) or about Addison (still better!)

耐心再加上现代科技，莉玛可能有一天会对爸爸(大好人！)或者爱迪逊(更大的好人！)

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If we do this exercise one time per day, every day for one month, we may notice a change or a shift in our thinking about ourselves and about our place in the world.

如果我们每天一次的做这个练习，一个月后我们会注意到变化或者我们对自己和世界看法的转变。

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The real future or what may one day be a common element of some real future slips past us, mistaken for the present, or for the past.

WSJ: We Can't Know What the Future Will Bring | Fashion

This may be one day a week or one day a fortnight they may exclude.

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As to how, the plan that Mr Wolfowitz set out three years ago is not the only one: assassination, from land or air, has failed before but may one day succeed.

ECONOMIST: Dealing with Iraq