Geography, history and folklore factor in our next story today.

今天接下来我们为你带来理、历史及民俗因素交织在一起故事。

While the two immigration waves differ greatly, both were driven by a complex multitude of political historical and environmental factors.

虽然两次移民浪潮差异很大，但两者都由复杂多种政治、历史和环境因素驱动。

And the first major factor to consider here is history.

首先需要考虑重要因素历史。

As term of a nineteenth-century education, one sought a common factor for certain definite historical fractions.

作为 19 世纪教育术语， 人们寻求某些特定历史部分共同因素。

And so you have this sort of weird set of historical factors, like, operating at the same time.

因此，你看到了样一组奇特历史因素同时发挥作用。

These include things such as environmental conditions in which the animals live, sex-specific growth, survival and reproduction through the history of the species.

包括诸如动物生活环境条件，性别特异性增长，物种生存和繁殖历史等因素。

The myriad factors affecting innovativeness make the historian's task paradoxically easier, by converting societal variation in innovativeness into essentially a random variable.

矛盾，通过将创新性社会差异转为本质上随机变量，影响创新性无数因素使历史学家任务变得更加容易。

And they argue that Modernization Theory sweeps a lot of historical factors under the rug when it explains European and North American progress.

他们认为理论在解释欧洲和北美进步时，忽视了很多历史因素。

One possibility is that the genes and health of Eastern European Jews were affected not simply by geography but also by historical and cultural factors.

一种可能性，东欧犹太人基因和健康不仅受到理因素影响，还受到历史和文因素影响。

And it's not to say that this is the entire reason because obviously things like there's many different variables and factors and it's a complicated history.

并不说就全部原因，因为显然存在许多不同变量和因素，历史本身也颇为复杂。

There's history here, too, as Finland was invaded by the Soviet Union in 1939 in what was named The Winter War, which happened at the beginning of World War II.

由历史因素导致，1939年芬兰在第二次世界大战开始时被苏联入侵，史称“冬季战争”。

See, from macroeconomics, to historical factors, to even biological facts about a person, these things all play an undeniable role in how someone may be struggling in life.

从宏观经济学， 到历史因素，乃至个人生物学事实，些都在一个人如何在生活中挣扎过程中扮演着不可否认角色。

The degree with which you live with that fear to the point where it doesn't allow you to let people in at a level that you would like, that's psychological, that's historical.

你与那种恐惧共处程度， 以至于它阻止了你让他人以你期望深度进入你生活，既心理层面， 也源于历史因素。

And the other main historical factor that has added to the confusion of English is that there are simply so many people from so many different countries that speak it, leading to differences in word use and pronunciation.

而且另一个导致英语混乱主要历史因素， 说种语言人来自如此多不同国家，导致了词汇使用和发音上差异。