任何内存分配都可能会失败，而编写真正很好地处理该问题的 C 或 C++ 程序是很困难的。

Any memory allocation can fail, and it's not easy to write C or C++ programs that truly handle that well.

youdao

他们没有机会为用户去写真正实用的特性，修复用户真正遭遇的问题。

They never had the experience of writing features for users to really use, and fixing the bugs that real users came across.

youdao