Countless choices define our fate, each choice, each moment, a ripple in a river of time.

无数的选择决定了我们的命运。每一次选择，每一个时刻，都是时间河流中的一个涟漪。

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The present is neither a point nor a plane but it is a pontoon bridge resting upon a river of time.

现在既不是一个时间点又不是一个时间段面，它是跨越于时间长河之上的一座浮桥。

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As a child, I spent some time living with anumeric people, the Piraha who live along the banks of the black Maici River.

当我还是个孩子的时候，我和一群不使用数字的人住在一起，他们是居住在黑色麦西河畔的皮拉哈人。

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Images of these rivers were compared with a model developed by Perron of how a river network evolves over time.

MSN: Saturn's moon Titan may have seen Earth-like erosion

Already their numbers have been decimated by marriage and migration. (Some 40, 000 Macanese now live abroad.) They and their once-graceful port at the mouth of the Pearl River will have a hard time maintaining a distinct identity under mainland rule.

CNN: ASIANOW - TIME Asia

If teens are swimming in a natural body of water like a lake or river, they should use the rule "feet first, first time" to prevent spinal injuries.

CNN: Water safety expert: 'Drowning doesn't just happen'