Singapore math may well be a fad, too, but supporters say it seems to address one of the difficulties in teaching math: all children learn differently.

新加坡数学也可能只是一时流行，但支持者称它似乎能解决数学教学中的一个难题：学生学习能力参差不齐。

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To say that any means are justified to reach that goal may very well be impossible when one considers that wide range of repercussions that may follow from such actions.

当我们考虑到任何行动所产生的广泛影响时，我们就不会说为了达到某一目标采取任何手段都是正当的了。

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And, he added, a well that has bad water one month may be clear the next, and a few homeowners even say that their well water improved after gas drilling began.

NPR: Cause Of Off-Color, Fetid Water Eludes Pa. Town