Well, I think the main difference between like and as is in formality.

嗯，我觉得这两个单词之间主要的差别要看它们的正式性。

Opposable thumbs, cranial size, altruism and cooking all played a part, but central to the naked ape's success was its ability to dominate other species.

对生拇指、头颅大小、利他主义以及烹饪都是原因，但人类能够成功统治地球的主要原因是支配他物种的能力。

Farming, the north's main source of income, has been hamstrung.

作为主要的收入来源的农业也因此荒废。

But chief among the threats is the nuclear menace of North Korea.

但主要的威胁是朝鲜的核威慑。

In early childhood, pancreatic insufficiency is the most prominent effect of CF.

在幼儿时期，CF主要的影响是造成胰腺功能不全。

That is partly because privatisation always faces opposition.

原因，除了舍不得之外，主要的是因为，政府在推行私有化时，总会遇到反对。

Venezuelan among the top nationalities of migrants arriving in the U.S.

抵达美国的移民主要的就是委内瑞拉人。

Chief among them was the destruction of Louisiana's coastline.

主要的是路易斯安那州海岸线的破坏。

What's driving market turmoil? The biggest reason is fear of inflation.

什么会导致股市动荡？担心出现通货膨胀是主要的原因。

So we traveled together and my chief aim then was to make him try durian.

所以我们一起旅行，我当时主要的目的就是让他尝尝榴莲。

First, the crux of the matter is for students to pursue a subject that interests them.

第一，学生可以选择自己感兴趣的专业，这是主要的。

Okay. Well, the main thing is to have everything in the right place.

好的。嗯，主要的是要物归原处。

It is, first and foremost, anxiety.

主要的，是因为焦虑。

You will find over the course of the week that it will become much much easier, and the idea is to basically keep practising until you feel like you are becoming the person.

你会发现整个礼拜作完跟读法后，会变得越来越简单，主要的目标就是一直练习，直到你变成说话的人一样。

Of course, the primary impact is human life.

当然，主要的还是危机到了人命。

Today the Fed is essentially the architect of America's money policy.

今日，美联储已成为美国货币政策主要的制定者。

What is the main difficulty so far? Let me guess — is it the materials?

目前你主要的困难是什么？让我猜一下，是不是材料问题？

So isolate from healthy person, that makes the reason.

所以，隔离，和健康人隔离开来，这是主要的原因。

The principle elements in it are the eyes and the lips specifically the eyes.

一幅画像主要的元素是眼睛和嘴唇，尤是眼睛。

The new cycle paths, separating bikes from cars in most main roads, are being used far more than was expected, reducing traffic and improve air quality.

人们使用新自行车道的次数比预期要多得多，这些车道将主要道路上的自行车和汽车分了开来，减少了交通拥堵并改善了空气质量。