So, they are not interchangeable all the time.

所以，它们不一直以互换。

When are the two words interchangeable? Thanks.

这两个词什么时候以互换？多谢。

But left and right seem to be more interchangeable.

但左和右更能相互转换。

And also, all the accessories are collectible and interchangeable.

而且，所有配件以收藏和互换。

The phrases " take note" and " make note" are sometimes interchangeable.

" take note" 和" make note" 这两个词组有时候以互换。

When used as a noun, " limelight" and " spotlight" are interchangeable.

当被用作名词时，“limelight”和“spotlight”以相互替换。

But club soda, seltzer, and sparkling water are not interchangeable.

但club soda（苏打水）、seltzer（赛尔托斯）和 sparkling water（天然气泡水）并不同样饮品。

In the United States, the words " couch" and " sofa" are generally interchangeable.

在美国，" couch" 和" sofa" 这两个单词通常以互换。

Easy answer --- nothing! The words are interchangeable and an issue of personal choice.

答案很简单——没区别！这俩词以互换，这个人选择问题。

But sometimes it is not. So, they are not interchangeable all the time.

但有时候不。因此，它们不总以互换。

These words are not actually interchangeable but they have a similar function in our sentences.

这两个词实际上不能互换，但在我们句子具有类似功能。

I will also explain when the two words are interchangeable.

本期，我也会讲解在什么情况下，这2个词以互换。

" Via" on the other hand means to go through something. These two are often interchangeable.

Via则通过某种媒介。这两个词经常以互换。

We will talk about when " if" must be used and when " whether" and " if" are interchangeable.

届时我们将讨论什么时候必须使用“if”，以及什么时候“whether”和“if”以互换。

These rebates are mostly used for expensive brand-name prescription drugs in categories in which there are interchangeable products.

这些回扣主要用于在这其类别有互换产品昂贵品牌处方药。

When talking about a specific meal or food, the verbs " eat" and " have" are often interchangeable.

当谈论特定餐食时，动词" eat" 和" have" 通常以互换。

And I'm not sure which one of these, sort of interchangeable sometimes.

而且我不确定其哪一个，有时以互换。

When can I use " will" with the same meaning of " want" ? When are the two words interchangeable?

什么时候" will" 和" want" 意思一样呢？这两个词什么时候以互换？

The parts of your keyboard are " interchangeable."

键盘部件“互换” 。

Ninu perfume is a so-called smart fragrance bottle containing three interchangeable vials that allow for a hundred different scent combinations.

Ninu 香水一款智能香水瓶，内含三个互换小瓶，以搭配100种不同香味。