But in jungle canopy, light is coming from all over the place and the background is far more variable.

但在丛林遮盖中，光从各处进来，而背景的变化性多得多。

Some scientists suspect the SORCE data may be exaggerating the sun's variability, and if they were revised the link might go away.

一些科学家怀疑SORCE的数据大了太阳的变化性，如果数据一经修改，两者的关联也不复存在了。

But as you get into the 20th century, the changes that you see as a result of infectious disease are more metaphorical.

但是当你进20世纪的时候，你所看到的传染病所带来的变化更具有隐喻性。

It's a disorder in which a person experiences a setting change to their speech so that they sound like they are speaking in a foreign accent.

这种让人经历言语的设置性变化以至于他们听起来有外国口音。

And as recently as this summer, you experienced the hottest recorded week in history, even as some deny the severity, in fact, the existence of the climate emergency.

而就在今年夏天，你们经历了有气象记录以来最热的一周——即使现在还有些人不相信气候变化的急迫性。

As an October 2011 study in the New England Journal of Medicine says: " Caloric restriction results in acute compensatory changes, including profound reductions in energy expenditure and levels of leptin and cholecystokinin and increases in ghrelin and appetite."

正如 2011 年 10 月发表在《新英格兰医学杂志》上的一项研究所说：“热量限制导致急性代偿性变化，包括量消耗、瘦素和胆囊收缩素水平的显著降低，以及胃饥饿素和食欲的增加。”