关于瓶装水，你不知道的15个小秘密
<p><span word="Some">Some</span> <span word="of">of</span> <span word="us">us</span> <span word="get">get</span> <span word="our">our</span> <span word="water">water</span> <span word="for">for</span> <span word="free">free</span> <span word="from">from</span> <span word="the">the</span> <span word="tap">tap</span>. <span word="The">The</span> <span word="rest">rest</span> <span word="pay">pay</span> <span word="for">for</span> <span word="it">it</span> — <span word="at">at</span> <span word="the">the</span> <span word="cost">cost</span> <span word="of">of</span> <span word="roughly">roughly</span> $100 <span word="billion">billion</span> <span word="a">a</span> <span word="year">year</span>. <span word="At">At</span> <span word="that">that</span> <span word="steep">steep</span> <span word="a">a</span> <span word="price">price</span> <span word="tag">tag</span>, <span word="you">you</span> <span word="might">might</span> <span word="assume">assume</span> <span word="buying">buying</span> <span word="the">the</span> <span word="bottled">bottled</span> <span word="stuff">stuff</span> <span word="would">would</span> <span word="be">be</span> <span word="worth">worth</span> <span word="it">it</span>. <span word="In">In</span> <span word="most">most</span> <span word="cases">cases</span>, <span word="you">you</span>'<span word="d">d</span> <span word="be">be</span> <span word="wrong">wrong</span>. <span word="For">For</span> <span word="the">the</span> <span word="vast">vast</span> <span word="majority">majority</span> <span word="of">of</span> <span word="Americans">Americans</span>, <span word="a">a</span> <span word="glass">glass</span> <span word="from">from</span> <span word="the">the</span> <span word="tap">tap</span> <span word="and">and</span> <span word="a">a</span> <span word="glass">glass</span> <span word="from">from</span> <span word="the">the</span> <span word="bottle">bottle</span> <span word="are">are</span> <span word="virtually">virtually</span> <span word="identical">identical</span> <span word="as">as</span> <span word="far">far</span> <span word="as">as</span> <span word="their">their</span> <span word="health">health</span> <span word="and">and</span> <span word="nutritional">nutritional</span> <span word="quality">quality</span> <span word="are">are</span> <span word="concerned">concerned</span>. <span word="In">In</span> <span word="some">some</span> <span word="cases">cases</span>, <span word="publicly">publicly</span>-<span word="sourced">sourced</span> <span word="tap">tap</span> <span word="may">may</span> <span word="actually">actually</span> <span word="be">be</span> <span word="safer">safer</span> <span word="since">since</span> <span word="it">it</span> <span word="is">is</span> <span word="usually">usually</span> <span word="tested">tested</span> <span word="more">more</span> <span word="frequently">frequently</span>.</p><p>我们当中有些人从水龙头里就能接到免费的水，其余的人要花钱买——每年大约花掉1000亿美元。面对昂贵的价签，你可能会以为瓶装水值这个价钱，但大部分情况下这个想法是错的。对于大部分美国人来说，就对健康的影响和营养元素来说，自来水和瓶装水不相上下。公共饮用水因为检测更频繁，所以有时可能更安全。</p><p><span word="Read">Read</span> <span word="on">on</span> <span word="to">to</span> <span word="find">find</span> <span word="out">out</span> <span word="all">all</span> <span word="the">the</span> <span word="things">things</span> <span word="you">you</span> <span word="didn">didn</span>'<span word="t">t</span> <span word="know">know</span> <span word="about">about</span> <span word="your">your</span> <span word="drinking">drinking</span> <span word="water">water</span>.</p><p>读读下面的内容，了解一下关于饮用水你不知道的事。</p>
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