OK, back to math. Imagine -- this is possible: that every single equation that you click on in one of your new e-texts is something that you're going to be able to explore and experiment with.
好，回到数学上来，我们可以想象，这是可能的。 在你的新的电子文本中， 每一个公式，只要你点击它， 就能够对其进行探索和试验。