We do not even know, for example, how many stars have planets, and we certainly do not know how likely it is that life will arise naturally, given the right conditions.
例如，我们甚至不知道有多少恒星有行星，我们当然也不知道如果有适当的条件，生命自然出现的可能性有多大。
Although the causes of cancer are being uncovered, we do not yet have any practical way to prevent it.
尽管癌症的病因正被揭开，但我们还没有任何预防它的有效的方法。
Managers do not have a monopoly on stress.
并不只是经营管理者有压力。
Do you feel that your muscles do not have the strength and resilience that they should have?
你觉得你的肌肉不具备它应有的力量和弹性了吗？
Women do not have a monopoly on feelings of betrayal.
背叛感并非是女人独有的。
Doctors do not always have good communication skills.
医生不一定都具备良好的交际能力。
Most people do not have to be hospitalized for asthma or pneumonia.
多数人不必因哮喘或肺炎住院。
Monkeys do not have any kind of protective armour and use their brains to solve problems.
猴子没有任何防身的盔甲，就动脑筋解决问题。
A new invention means sheep do not have to be sheared – the wool just falls off.
一项新的发明意味着羊不必被剪毛–羊毛就会脱落下来。
Leatherbacks do not have blubber, but they do have a reptilian equivalent: thick, oil-saturated skin, with a layer of fibrous, fatty tissue just beneath it.
棱皮龟没有鲸脂，但它们有和爬行类动物相似的结构：厚且含油的皮肤，下面有一层纤维，再下面是脂肪组织。
Associations do not have to be logical.
关联不一定要符合逻辑。
They also do not have access to quality health care or other prerequisites for upward social mobility.
他们也无法获得高质量的医疗保健或其他社会向上流动的先决条件。
They also do not have access to quality health care, or other prerequisites for upward social mobility.
他们也无法获得优质的医疗保健或其他向上层社会流动的先决条件。
I have seen development lag because the poor do not have access to markets and finance.
我目睹了由于穷人无法进入市场、没有融资渠道而造成的发展滞后。
Always remember that your audiences do not have the luxury to rewind or slow down your speech.
请时刻记住，你的听众并不拥有这样的奢侈，把你的演讲减速或者重播。
Researchers do not have a clear idea why poor children in San Jose achieved such great success several decades ago.
研究人员并不清楚为什么圣何塞的贫困儿童在几十年前取得了如此巨大的成功。
People who do not smoke have less potential of suffering from lung cancer than those who do so.
不吸烟的人患肺癌的可能性比吸烟的人小。
Most familes do not have electricity and may not even have candles for their children to study by.
大多数家庭没有电，甚至可能没有蜡烛供孩子学习用。
The relatively poor live in high-income countries, but they do not have a high income themselves.
相对贫穷的人生活在高收入国家，但他们自己却没有高收入。
The relatively poor live in high income countries but they do not have a high income themselves.
相对贫穷的人生活在高收入国家，但他们自己却没有高收入。
Individuals do not have separate bedrooms.
个人没有独立的卧室。
Unluckily, the Bushmen of the Kalahari do not have horses.
不幸的是，喀拉哈里的布希曼人没有马匹。
Only one in ten houses in Britain do not have a garden.
在英国，只有十分之一的房子没有花园。
Termites do not have an architect's blueprint or a grand construction scheme.
白蚁没有建筑师的蓝图，也没有宏伟的建筑计划。
Coaches do not necessarily have the incentive to graduate players.
教练们都不一定能激励运动员完成学业。
Fu added that his classrooms do not have heating because of a lack of money.
付还说，由于缺乏资金，他的教室没有暖气。
FastMart stores do not have shelf space to stock more than one variety of syrup.
快销商店没有货架空间来存放第二种糖浆。
Many complain that their school libraries do not have enough up-to-date interesting books and magazines.
许多人抱怨他们的学校图书馆最新又有趣的图书杂志不够多。
Pennsylvania State Representative Scott Petri says governments simply do not have enough money to extend unemployment insurance.
宾夕法尼亚州的代表斯科特·佩特里说，政府没有足够的钱来延长失业保险的期限。
However, many complain that their school libraries do not have enough up-to-date interesting books and magazines.
然而，许多人抱怨他们的学校图书馆没有足够的最新的有趣的书籍和杂志。
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