我学习很多这种证明，但是几乎没有实际地去解一个方程。
I learned a lot about such proofs, but very little about actually solving one of these equations.
我从et++中学到，一个成熟的框架总是明显地包含了很多重复出现的设计模式，可以让你得到更多的东西，像扩展性，解耦性，和最终的优雅性。
As I reflected on ET + +, it became apparent that a mature framework contains recurring design structures that give you properties like extensibility, decoupling, and last but not least, elegance.
对了，我的作用很多哦，比如，可以让大家大饱口福，可以补充维生素，让人们身体更棒，还可以清热解暑……我的用处好多好多呢！
By the way, my role a lot Oh, for example, you can satisfy their appetites so that we can add vitamins, allow people to physically even better, you can also heat Jieshu …I use all sorts of it!
对了，我的作用很多哦，比如，可以让大家大饱口福，可以补充维生素，让人们身体更棒，还可以清热解暑……我的用处好多好多呢！
By the way, my role a lot Oh, for example, you can satisfy their appetites so that we can add vitamins, allow people to physically even better, you can also heat Jieshu …I use all sorts of it!
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