In places with no viable tax base, no private sector depth and extreme geographic isolation, this support is what prevents immediate collapse.

在这些没有可靠税收基础、私营济薄弱、地理极度封闭的地，这种支持是避免它们立刻崩溃的关键。

But in order to do so, the project is struggling against the enormous challenges of geography, economics, demographics, America's own cultural and historical preferences for cars and planes, the legal system and more.

但为了能够早日修建完成，该项目正努力应对地理、济、统计、美国自身对汽车和飞机的文化与历史偏好、法律制度的巨大挑战。

We have economic geography - in which we examine all kinds of resources and their use - agriculture, for example.

我们有济地理学，我们考察各种资源和它们的使用情况，例如农业。

In practice, a combination of economics and geography means that much of its infrastructure is concentrated in a comparatively small number of places.

实际上，说它是济学和地理学的结合，其意为它将众多的基础设施集中于相对少数的空间内。

That is because of the country's high economic growth, geography, population centers and possibilities for " clean energy, " he said.

这是因为该国的济高速发展，地理位置，度和开发“清洁能源”的可能性，他说。

Geographically, economically, financially, everything changes every couple of years.

从地理、济到财务状况，每过几年都会发生一次变化。

Renaud Gauchet, born 1976. A graduate in psychology, history, and geography, as well as economics, French thinker Renaud Gauchet has sought to integrate elements of the social sciences into economic thinking and take a more holistic approach.

1976年出生的法国思想家勒诺·高谢，拥有心理学、历史、地理及济学学位，他致力于将社会科学的元素融入济思维， 并采取更为全的法。

But what about the many, many millions of kids and adults who are at risk, either because of lack of access, It could be due to finances, geography, poverty, any number of different things.

但对于那数以百万计处于风险中的儿童和成来说， 情况又如何呢？他们可能因为缺乏接触机会而临风险，原因可能是济条件、地理位置、贫困诸多不同因素。

History is the most common kind of social studies, but it could also include geography, economics, the study of government (what we might call " civics" ), even anthropology in some schools.

历史是最常见的一种社会研究，但也可能包括地理、济学、政府学（我们可能称之为“公民教育”）甚至在某些学校的民族志。

The study analyses a quarter century of national survey data to better understand how social, economic and geographical inequalities in India shaped the chances of children remaining unvaccinated between 1992 and 2016.

该研究分析了 25 年的全国调查数据，以更好地了解印度的社会、济和地理不平如何影响 1992 年至 2016 年间儿童未接种疫苗的机会。

So that's one of the really difficult things, I think, because the effects are quite small and because this connectedness is so linked to the history of British economy and geography.

所以这真的是一个非常困难的问题，我认为， 因为这些影响很小， 而且这种联系性与英国济和地理的历史切相关。

Cardiff's location on the South  Wales coast, at the point where the River Taff flows into the Severn Estuary, has shaped much of  its development - geographically, economically, and occasionally disastrously.

加的夫位于南威尔士海岸，泰夫河在此注入塞文河，这一地理位置在地理、济乃至偶尔的灾难性深刻影响了其发展。

And I think geography is one of those really, really important subjects that links, you know, physical geography with economics, with politics, and shouldn't be underrated.

我认为地理学是那些非常重要科目之一，它将自然地理与济、政治联系起来，不应被低估。

Tyler argued that the slavery issue should be left alone; slavery would seek its economic and geographic limits and eventually its own destruction.

泰勒认为, 奴隶制问题应该被搁置;奴隶制将寻求其济和地理限制, 并最终导致其自身的毁灭。

Just as steamboats had reshaped America decades earlier, railways now dramatically altered geography, economy, and society.

正如蒸汽船在几十年前重塑了美国一样，铁路如今也极大地改变了地理、济和社会貌。