There are a lot of unproven allegations flying around.

有很多未经证实的谣言在迅速传播开来。

Even setting aside the unproven hints of ancient oceans, the extent of the outflow channels suggests that a huge total volume of water existed on Mars in the past.

即使不考虑未经证实的古代海洋迹象，流出渠道的范围表明，过去火星上存在着大量的水资源。

This is particularly true with unproven new products.

对于还没有经过市场证明的新产品更是如此。

But an unproven intervention can do considerable harm.

但是，未经证实的干预可能相当有害。

All other methods of staying awake and alert at the wheel are unproven.

另外一些在开车时保持清醒和警惕的方法都是未经证实的。

The technology is unproven at this scale and would be very expensive.

何况该技术还没有在如此规模下使用的先例，更不用说昂贵的开销了。

Moreover, his assertion that markets have become more fragile is unproven.

此外，他关于市场变的更加脆弱的断言是未被证明的。

As instructed, I cut my lifeline to the bank and leapt into unproven waters.

像指示的那样，我把我的生命线系到了银行上跳进了这未知的领域里。

He admits that this is still an unproven hypothesis, but it is one worth considering.

他承认，这仍是一个未被证实的假设，不过，这是一个值得考虑的假设。

The risks, he said, were rubbish, unproven by science, while the potential benefits were endless.

他说，未经科学证实的风险不过是垃圾，而潜在的优势则永无止境。

Devs weren't too excited, because Apple's system was new, unproven and, well, not terribly interesting.

开发者也没有太兴奋，因为苹果系统是新出的，没有经过考验，看起来也不太兴奋。

As unproven as these new digitized worlds may be, IBM is adopting virtual world technologies with gusto.

这些数字化世界还没有经过充分的验证，IBM却欣然采用虚拟世界技术。

At the moment neither Banks nor individual investors have the appetite to take a punt on an unproven idea.

虽然目前无论是银行还是个人投资者都没有为这项前无古人的新技术赌一把的意愿。

The concept of a formal macro design process was relatively new and hence unproven within the organization.

正式宏设计流程的概念相对较新，因此未在组织中验证。

Another worry is that new reactors, based on unproven technology, will cost more than expected to build and run.

另外一个让人担心的地方就是新反应堆是按未经认证的技术建设的，在建造运营上可能比预计成本更代价昂贵。

Avoid Overpriced, Unproven supplements - Most people assume that FDA approved nutritional supplements are proven products.

回避那些定价过高又未经证明的补品——多数人认为食品及药物管理局批准的营养补品就是经过验证的产品。

Near-zero-carbon nuclear power is popular with conservatives, while unproven CCS is meant to seduce the many coal states.

保守派中意几乎零二氧化碳排放的核能，而效果未知的CCS是为了获得煤炭大州的支持。

Experts believe that this sediment will build up behind the dam, with only an unproven system of sluice gates to release it.

专家认为泥沙将会在大坝后堆积，将仅经过一个未知的水闸系统排放。

But the World Cup-winning player and coach said that rumors and unproven accusations are also damaging the reputation of the sport.

但这位世界足坛的传奇也指出，有些谣言以及未经证实的指控正在毁坏这项体育赛事的名誉。

For example, senior politicians in South Africa have promoted unproven therapies while at times disparaging antiretroviral drugs.

例如南非某些资深政客鼓吹未经证实的疗法，并同时贬低抗逆转录病毒治疗。

Many people around the world claim to foretell the future, talk to the dead, and do other amazing (if scientifically unproven) feats.

世界各地的许多人声称能够预知未来，与死者交谈，并做出其他惊人的（科学上不能验证的）特异技能。

Q: What can we offer patients who are not participating in research projects, but for whom the only options are new or unproven treatments?

问：对于不参加研究项目，而新的或未经验证的治疗方法是其惟一选择的患者，我们能提供什么好的办法？

But critics call GNEP a costly gamble on unproven science that will harm the cause of nuclear energy and do little to combat proliferation.

但批评者认为，GNEP计划是一场未经科学证明的代价高昂的豪赌，它将损害核能事业，而对打击核扩散效果甚微。

By definition, complementary and alternative medicine consists of therapies that are unproven, at least by the standards of Western medicine.

根据定义，补充和替代疗法包括那些未经验证的，至少是不为西方医学标准所验证的方法。

Thanks to the unproven claims of garlic's medical benefits, wholesalers have stored tons of garlic, hoping to sell it later at a higher price.

多亏这种对大蒜医疗效用未经证实的说法，批发商开始储存成吨大蒜，希望稍后能卖个好价钱。

Although scientifically unproven as yet, it is believed that a woman's diet may be able to influence the eventual gender of a baby at conception.

尽管科学尚未证实，据说女性的饮食可能影响怀孕婴儿的性别。

The longer that unproven therapies stay on the market, the greater is the risk that a history of use can be framed as evidence of safety and efficacy.

未经检验的干细胞疗法在市场上停留的时间越长，那些使用历史被做为其安全性和有效性的证明的风险就越大。