Children have a special sensibility to know everything around them.
儿童有一种特殊的敏感性,促使他认识周围的一切。
粮食是百姓生存的根本,没有粮食人就无法生存。三天不吃粮食,父子之间也难以互相照顾。
The interplay between pure and applied mathematics is where true innovation happens.