科学的每一次突破都是对人类好奇心和创造力的证明。
The only limits in life are the ones you set for yourself.
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.
A managed forest is like a symphony—every tree plays its part at the right time.