Could I have a show of hands of people who are planning to buy the text but haven't done so yet?

你们能举下手吗，那些,正打算买书，但还没有买的同学？

麻省理工公开课 - 固态化学导论课程节选

I'm now going to ride down to, into Surrey.

我现在正打算骑车到萨里。

自行车是我的朋友 - SpeakingMax英语口语达人

Such where the deep transported mind may soar Above the wheeling poles, and at Heav'n's door Look in, and see each blissful Deity Now the graver subject that Milton is intending at some point to expound upon is clearly an epic one.

埋藏于心底的思想会,冲天而上并到达上帝的门前,往里一瞥你会看到每个快乐的神,现在弥尔顿正打算用更庄重的主题,详细点说就是史诗。

耶鲁公开课 - 弥尔顿课程节选

So it's very different from "I will". You're saying, "I am, right now, going to do something in the future."

因此这个句型跟“I will”有很大不同。你实际上表达的意思是，我现在正打算将来做某事。

I'm going to 课堂 - SpeakingMax英语口语达人

You can use the "I'll" pattern to show that you intend to do something,

你可以用 "I'll" 句型来表示你正打算做某事。

I will 课堂 - SpeakingMax英语口语达人