The most important political development of the last two centuries has been the rise of the modern state.
数学不仅仅是数字和方程;它是关于理解宇宙中的深层模式和联系。
The magi, as you know, were wise men—wonderfully wise men—who brought gifts to the Babe in the manger. They invented the art of giving Christmas presents. Being wise, their gifts were no doubt wise ones, possibly bearing the privilege of exchange in case of duplication.
Genetically modified technology is an important direction for future agricultural development, we should view it scientifically and rationally.