Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government."
自由民主可能构成“人类意识形态演化的终点”和“人类政府的最终形式”。
Sustainability isn't a choice; it's a responsibility we owe to the ocean and those who depend on it.
每个文明都是建立在另一个文明的骸骨之上。