Most political experts said Senator Kerry had the challenging task during the first debate of presenting himself as a viable alternative to President Bush.

Compared to fossil fuels, biodiesel is more environmentally-friendly and sustainable, so it could be a viable alternative to replace conventional petroleum.

比较传统的化石燃料，生物燃料更为环保，且可再生，能完全取代传统的燃料。

An experiment of cigarettes IR weight control by measuring the attenuated IR light is introduced and a viable alternative to the nuclear control is provided.

介绍了用测量红外光的透过率测出香烟重量的实验，其结果表明此方法可以替代传统中子法测量香烟重量。

Antioxidant-based pain killers may one day become a viable alternative to addictive medications such as morphine.

抗氧化剂可能有一天会取代成瘾性的镇痛药物如吗啡等。

In this article, you saw how JSON can be a viable alternative to XML when making Ajax requests.

在本文中，您看到了在发出Ajax请求时，JSON如何有效替代XML。

Then again, it may take another 500 years to be certain that there really is a viable alternative to Western ascendancy.

但话又说回来，或许还要再过500年我们才能确定，在西方统治之外，真的存在另一种可行的选择。

So at least according to these studies, exercise appears to be a viable alternative to migraine drugs.

因此至少按照这些研究，锻炼身体可以看成是另外一种治疗偏头痛的药物。

It is a viable alternative to follow to preserve trading in the product.

这是维护此产品交易的可行替代办法。

Since the senior crew loss is likely to stimulate greater scope for the loss, it would create a vicious spiral, will give the enterprise caused enormous direct and indirect loss, affect the enterprise image, is not conducive to the long-term development of enterprises.

由于高级船员的流失很有可能会刺激更大范围的船员流失，这样会产生恶性循环，会给企业造成巨大的直接损失和间接损失，影响企业形象，也不利于企业的长期发展。

In New York last week, Masaaki Shirakawa, governor of the Bank of Japan, warned of the dangers of a vicious spiral resulting from the negative feedback between the financial system and the real economy.

日本央行（BoJ）行长白川方明（Masaaki Shirakawa）上周在纽约警告称，金融体系与实体经济之间的负面反馈所导致的恶性循环存在种种危害。

The rise in inequality is the product of a vicious spiral: the rich rent-seekers use their wealth to shape legislation in order to protect and increase their wealth – and their influence.

不平等情况的恶化是恶性循环的结果：富有的寻租者利用他们的财富左右立法，以保护和增加他们的财富&及影响力。

Price rises change expectations of inflation, leading workers to bid for wage increases that preserve their buying power and firms to push through price increases, generating a vicious spiral.

物价上涨会改变通胀预期，导致工人要求更高的工资以维持购买力，而企业则会提高价格，从而形成恶性循环。

Moreover if, as often happens, the process descends into a vicious spiral of retaliation and counter-retaliation, the end result might be even worse.

而且，正如经常发生的那样，如果双边过程陷入一个报复与反报复的恶性循环之中，那么最终结果可能甚至更糟。

This leads to a vicious spiral, i.e., downturn in stock market induces investors to lose their confidence, and vice versa.

这导致了一种恶性循环，即股市低迷，导致投资者信心丧失；投资者信心丧失，导致股市持续低迷。

Finally, brings forward suggestions and countermeasures of conquering a vicious spiral of duplicate construction and excess capacity.

最后提出打破重复建设、重复生产恶性循环，实现我国产业有效竞争的政策建议和应对措施。

Both could slow down their growth if they are caught in a vicious spiral of bilateral competition and rivalry.

如果陷入相互竞争与对抗的恶性循环，那么两国的增长都可能会放缓。

However, the events of the last year have turned this seemingly virtuous cycle into a vicious spiral.

然而，去年发生的事件使这种表面上的良性循环变成了恶性循环。

She handed over a wad of forms.

她递过来一叠表格。

I have been waiting for that paint to dry for two hours now. How it is that a watched pot never boils?

等油漆干我已经等了两个小时了，怎么越等下去越不干呢？

A watched pot never boils, you'd better relax.

心里急躁锅不开，你最好放松一下。

I haven't seen him for quite a while.

我有好一阵子没有见到他了。