问答题Americans are used to ordering things ranging from French fries to popcorn in small, medium or supersize. Now those same decision-making skills may become rueful in the bathroom, thanks to an innovative plumbing technology: dual-flush toilets. The new

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问答题
Americans are used to ordering things ranging from French fries to popcorn in small, medium or supersize. Now those same decision-making skills may become rueful in the bathroom, thanks to an innovative plumbing technology: dual-flush toilets. The new invention is the industry’s latest attempt to help reduce water usage, a movement that hasn’t always gone smoothly. The last big toilet makeover came more than a decade ago, when the U.S. government decreed that new toilets should use just 1.6 gallons of water per flush, down from the 3.5-gallon standard. But consumers complained that it often took two or more flushes to clear the bowl; so many people preferred the old toilets that some plumbers imported them illegally from Canada.

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美国人不管是买炸薯条还是爆米花,都习惯选择要小号的、中号的,还是大号的。现在,由于一项冲水技术上的革新,即:两用冲水座便器,这种在卫生间设备方面做决定的技巧可能会令人为难。这一新发明是该行业的一个最新尝试,旨在促进节约用水。而节水运动开展得并不总是十分顺利。上一次关于卫生间的重大变革还是十几年前的事,当时美国政府规定,新的座便器每次冲水的标准要从3.5加仑降低到1.6加仑。可是消费者却抱怨说,有时侯需要冲两次甚至更多次才能冲干净。所以许多人仍然喜欢老式座便器。结果一些水管工人便从加拿大非法进口老式座便器。
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