Failure is not a bad thing. It's part of the process of learning and improving.
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
每首歌都有自己的生命。
所有的写作都是自传。
Technological breakthroughs are not achieved overnight, they require long-term investment and patient accumulation.