It could be because of greater natural variability in the climate, because clouds dampen warming or because of some other little-understood mechanism in the almost infinitely complex climate system.

这可能因为自然气候有很大的易变性，因为云能减弱温升，或因为在无限复杂的气候系统中有些不为人知的调节机制。

THOSE unconvinced-and those seeking to unconvince others-of the reality of man-made global warming often point to the changeable behaviour of the sun as an alternative hypothesis.

不相信全球变暖人为因素造成的和那些别人不相信的人常常会将太阳的易变表现作为假设进行选择。

Remember, these numbers are volatile and can sometimes change by the second.

请记住，这些数字易变的， 有时会以秒为单位发生变化。

But we also know that a sand dune is a very fluid thing.

但我们也知道，沙丘非常易变的事物。

But beneath it lies something more contemporary and more volatile.

然而，在这之下隐藏着更为现代且易变的事物。

A plant that one eats. vegetable. Likely to change. changeable.

• 种可以食用的植物。蔬菜。可能发生变化。易变的。

For these reasons perfect stability of prices is impossible in an economy subject to change-unless, indeed, there is some peculiar mechanism which ensures temporary fluctuations of just the right degree in the propensity to consume.

由于这些原因，在易变的经济体中，价格的完美稳定不可能的——事实上，除非有某种特殊的机制来确保消费倾向的暂时波动恰到好处。

Of course, many people had dreams which were of no consequence, and these could usually be traced to gluttony or a flighty, inconstant imagination.

当然，许多人怀有的梦想并无实际意义，这些梦通常源于贪食或轻浮、易变的想象。

In a moment, what's it like to be in a custody battle with the richest, smartest, most volatile men in the world?

片刻之后，与全球最富有、最聪明但也最易变的男人进行监护权争夺战何种体验？

Today, guys, we have some amazing vocabulary for you that you can use on IELTS to describe people's personalities, emotions, moods.

今天，我们为大家准备了些精彩的词汇，这些词汇不仅可以在雅思考试中用来描述人的性格、情感和心情，还非常适合用来形容那些善变、易变的事物。

They delude us more than they teach us, and bring us but uncertain and fugitive images.

他们欺骗我们多于他们教导我们， 给我们带来的只不确定和易变的形象。