That ought to mean, for one thing, a more prudent approach to using water.

这就意味着，首先我们要更采取一种谨慎的态度对待用水。

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The best analogy is with a parent teaching a child to ride a bicycle: the prudent approach is to stand close enough to catch the falling tot, and only remove the training wheels later on.

最好的类比就是，一位家长在教孩子骑自行车：谨慎的方法就是，站在孩子近旁防止摔倒，稍后再拆除辅助车轮。

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The prudent approach is to have a savings amounting to six-month salary which can be used as protection when the stock market and real estate market suddenly slide or you are in urgent need of cash.

谨慎的做法是拥有一笔相等于六个月薪金的储蓄，在股市和房地产市场突然下滑或是急需现金时，可作为保障。

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This is why Wealthfront says a more prudent approach is to sell shares over time.

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As a frequent reader of The Economist, I expect a more impartial and prudent approach to corporate reporting.

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Until then, avoiding these free-falling bond ETFs, may be the most prudent approach.

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