前面第936课学过可以用现在进行时（present continuous tense）表示已经计划的事情、活动安排。而且，现在进行时的句子里常有时间词（如，明天，今天下午等）。

我们在记录将来的打算时（如，记日记时），常常会用现在进行时。
Be going to 和现在进行时非常像，日常用哪个都可以。

I'm visiting our new office in London this afternoon. 
I'm gong to visit our new office in London this afternoon.
今天下午我要参观我们在伦敦的新办公室。

You're meeting the boss tomorrow. 
You're going to meet the boss tomorrow.
你明天要（去）见老板。

He is working from home next week. 
He is going to work from home next week.
他下周居家办公。
work from home 在家工作，居家办公

We're taking the train to Scotland. 
We're going to take the train to Scotland.
我们要坐火车去苏格兰。
Scotland 苏格兰

They're leaving later today. 
They're going to leave later today.
他们打算今天晚点儿离开。
leave later 更晚一些走/离开（later 比较级，更晚地，更迟地）