向更清洁能源的过渡必须实用、经济且可靠。
International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.
La literatura nos permite vivir mil vidas y sentir mil emociones.
The quality of an organization's adaptability determines the quality of its survival.
我们从不害怕竞争，因为竞争让我们变得更强。