More pertinent right now is whether or not the craze has reached a tipping point.

现在更重要的是，这股狂热是否已经达到临界点。

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Advanced batteries are moving out of specialized markets and creeping into the mainstream, signaling a tipping point for forward-looking technologies such as electric cars and rooftop solar propels.

先进的电池正逐步退出专业化市场，逐渐进入主流市场，这标志着电动车和屋顶太阳能推进器等前瞻性技术迎来了一个转折点。

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Big business has reached a tipping point.

大企业处在一个临界点上。

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"The Sharpeville and Langa massacres were a tipping point in that they served to trigger off deep revulsion and disgust, both locally and internationally, against the apartheid government."

VOA: standard.2010.03.21

Of course, that'll only happen if the popularity of this camera reaches a tipping point.

ENGADGET: Samsung Galaxy Camera review: a 21x compact shooter brought to life by Android

The increasing prevalence of free access at hotels seems to be at a tipping point.

BBC: The business travel benefits of cloud computing

There is always going to be a tipping point when price is too much.

BBC: Ice cream: How much would you pay?