The challenge in auction theory is to balance simplicity with strategic sophistication.

Don't cry to quit, cry to keep going.

生物体适应度越高，其适应性往往越低。

阳台或者门廊应该至少有两米深，不然就用不上。

The Vietnamese people deeply love independence, freedom, and peace. But in the face of a threat to their country's independence, the Vietnamese people would rather sacrifice everything than lose their country and be enslaved.

生命的起源和演化源于爱和争斗在不同组合中的作用。

Sustainable fishing isn't an option—it's the only way forward.