So those are the first four differences.

所以这是前四个差异。

Let's begin with the first difference.

让我们从第一个区别开始。

One of the first differences I want to point out is that " meanwhile" connects two sentences.

我要指出的第一个区别是“同时”连接两个句子。

Now the first difference, a new study, the second, and that would be this one, okay?

现在第一个区别是一项新研究，第二个区别就是这个，好吗？

The first difference to remember is that the past perfect shows a completed action whereas the past perfect continuous shows an incomplete action.

要记住的第一个区别是，过去完成时表示的是完成的动作，而过去完成进行时表示的是没有完成的动作。

You have to hear the difference first, and then you have to play with your voice and practice until you can say it the way I'm saying it.

首先要能听出差别在哪，然后才能充分利用自己的发音，然后多多练习，直到练成标准发音。

So the first difference of an Australian accent to an English one is something called Alveolar Flapping which sounds rude. - Flapping. - Flap, the flap of the tongue.

澳洲口音和英国口音的第一个区别就是齿龈闪音，这听起来有点粗鲁。- 闪音。- 闪音，舌头闪动。