Innovation is the key to staying relevant in a competitive market. We must constantly evolve to meet consumer demands.
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.
States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.
我们误以为书能带来慰藉,其实它们只是加深了我们的悲伤。