众所周知，当提到接触 STEM（科学、技术、工程学、数学）课程时，公共教育体系存在巨大的空白。

We all know there exists a great void in the public educational system when it comes to exposure to STEM (Science, Technology, Engineering and Mathematics) courses.

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在课程讲述当中，请注意空白的幻灯片是用来分开讲座的不同部分。

In the presentations, note that the blank slides indicate separate sections of the lecture.

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大功告成啦！你将有一大块空白，去装饰你的书。书里还有个小口袋可以放课程表或是书签。

That's it! Now you have a blank cover to decorate your books. You also get a handy pocket where you can stuff syllabus or markers.

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