To emphasize the activity, we use the present perfect continuous

强调动作，用现在完成进行时。

When talking about current employment be careful to use the present perfect or present perfect continuous.

谈起目前的就业要小心使用现在时。

The question is in the present perfect continuous so you will answer with the verb in the continuous.

For example：这个问题是用现在完成进行时来提问的，所以回答时也用进行时态的这个动词。

Thee question is in the present perfect continuous so you will answer with the verb in the continuous.

For example：这个问题是用现在完成进行时来提问的，所以回答时也用进行时态的这个动词。

Today, we are going to talk about the present perfect continuous tense.

今天，我们谈谈什么是现在完成进行时。

The second function of the present perfect continuous tense is to talk about an action that started in the past and it is still happening.

太简单了。 我们想说那种正在进行的或者才刚刚停止的动作，就用现在完成进行时时态。