C++没有库则寸步难行，有库则几乎可以做任何事情——Bjarne Stroustrupi

"Without a good library, most interesting tasks are hard to do in C++; but given a good library, almost any task can be made easy."

https://pocoproject.org/slides/000-IntroAndOverview.pdf

我自己的实践感觉也是如此，但还要加上一条，C++的开发速度、特别是GUI的速度，还是太慢了。。。