That's exactly why we created this project. Over 7million programmers in China have to learn English first before they can study how to program, for most of th

That's exactly why we created this project. Over 7million programmers in China have to learn English first before they can study how to program, for most of them, "下标不可超过数组长度" is much more easier to understand than "the index of a array should not exceed it's length".