"The dead are invisible, they are not absent."

Food safety is the lifeline of an enterprise, without safety there is nothing.

The beauty of mathematics only shows itself to more patient followers.

这不是一首反叛歌曲，这是

"The task of the modern educator is not to cut down jungles, but to irrigate deserts."

最好的投资是那些将利润与目标结合起来的投资。